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ECON207 Assignment 2
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| "# ECON207 Assignment 2 (Part 2)\n", | |
| "\n", | |
| "## Tan Zhi Chong" | |
| ] | |
| }, | |
| { | |
| "cell_type": "code", | |
| "execution_count": 2, | |
| "metadata": { | |
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| }, | |
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| "source": [ | |
| "# 2" | |
| ] | |
| }, | |
| { | |
| "cell_type": "code", | |
| "execution_count": 3, | |
| "metadata": {}, | |
| "outputs": [ | |
| { | |
| "name": "stderr", | |
| "output_type": "stream", | |
| "text": [ | |
| "\n", | |
| "Attaching package: 'dplyr'\n", | |
| "\n", | |
| "The following objects are masked from 'package:stats':\n", | |
| "\n", | |
| " filter, lag\n", | |
| "\n", | |
| "The following objects are masked from 'package:base':\n", | |
| "\n", | |
| " intersect, setdiff, setequal, union\n", | |
| "\n" | |
| ] | |
| } | |
| ], | |
| "source": [ | |
| "## Prepare library for data preparation and data visualisation\n", | |
| "\n", | |
| "library(ggplot2)\n", | |
| "library(dplyr)\n", | |
| "\n", | |
| "## Set the working directory to obtain the data\n", | |
| "\n", | |
| "setwd(\"C:\\\\Users\\\\vince\\\\Documents\\\\R Scripts\\\\R data\")\n", | |
| "\n" | |
| ] | |
| }, | |
| { | |
| "cell_type": "code", | |
| "execution_count": 4, | |
| "metadata": {}, | |
| "outputs": [ | |
| { | |
| "data": { | |
| "text/html": [ | |
| "<ol class=list-inline>\n", | |
| "\t<li>'data'</li>\n", | |
| "\t<li>'desc'</li>\n", | |
| "\t<li>'self'</li>\n", | |
| "</ol>\n" | |
| ], | |
| "text/latex": [ | |
| "\\begin{enumerate*}\n", | |
| "\\item 'data'\n", | |
| "\\item 'desc'\n", | |
| "\\item 'self'\n", | |
| "\\end{enumerate*}\n" | |
| ], | |
| "text/markdown": [ | |
| "1. 'data'\n", | |
| "2. 'desc'\n", | |
| "3. 'self'\n", | |
| "\n", | |
| "\n" | |
| ], | |
| "text/plain": [ | |
| "[1] \"data\" \"desc\" \"self\"" | |
| ] | |
| }, | |
| "metadata": {}, | |
| "output_type": "display_data" | |
| } | |
| ], | |
| "source": [ | |
| "\n", | |
| "## Load data using read.csv function\n", | |
| "\n", | |
| "x <- load(file = \"sleep75.RData\")\n", | |
| "x" | |
| ] | |
| }, | |
| { | |
| "cell_type": "code", | |
| "execution_count": 5, | |
| "metadata": {}, | |
| "outputs": [ | |
| { | |
| "data": { | |
| "text/html": [ | |
| "<table>\n", | |
| "<thead><tr><th scope=col>age</th><th scope=col>black</th><th scope=col>case</th><th scope=col>clerical</th><th scope=col>construc</th><th scope=col>educ</th><th scope=col>earns74</th><th scope=col>gdhlth</th><th scope=col>inlf</th><th scope=col>leis1</th><th scope=col>...</th><th scope=col>spwrk75</th><th scope=col>totwrk</th><th scope=col>union</th><th scope=col>worknrm</th><th scope=col>workscnd</th><th scope=col>exper</th><th scope=col>yngkid</th><th scope=col>yrsmarr</th><th scope=col>hrwage</th><th scope=col>agesq</th></tr></thead>\n", | |
| "<tbody>\n", | |
| "\t<tr><td>32 </td><td>0 </td><td>1 </td><td>0 </td><td>0 </td><td>12 </td><td> 0 </td><td>0 </td><td>1 </td><td>3529 </td><td>... </td><td>0 </td><td>3438 </td><td>0 </td><td>3438 </td><td> 0 </td><td>14 </td><td>0 </td><td>13 </td><td> 7.070004</td><td>1024 </td></tr>\n", | |
| "\t<tr><td>31 </td><td>0 </td><td>2 </td><td>0 </td><td>0 </td><td>14 </td><td> 9500 </td><td>1 </td><td>1 </td><td>2140 </td><td>... </td><td>0 </td><td>5020 </td><td>0 </td><td>5020 </td><td> 0 </td><td>11 </td><td>0 </td><td> 0 </td><td> 1.429999</td><td> 961 </td></tr>\n", | |
| "\t<tr><td>44 </td><td>0 </td><td>3 </td><td>0 </td><td>0 </td><td>17 </td><td>42500 </td><td>1 </td><td>1 </td><td>4595 </td><td>... </td><td>1 </td><td>2815 </td><td>0 </td><td>2815 </td><td> 0 </td><td>21 </td><td>0 </td><td> 0 </td><td>20.529997</td><td>1936 </td></tr>\n", | |
| "\t<tr><td>30 </td><td>0 </td><td>4 </td><td>0 </td><td>0 </td><td>12 </td><td>42500 </td><td>1 </td><td>1 </td><td>3211 </td><td>... </td><td>1 </td><td>3786 </td><td>0 </td><td>3786 </td><td> 0 </td><td>12 </td><td>0 </td><td>12 </td><td> 9.619998</td><td> 900 </td></tr>\n", | |
| "\t<tr><td>64 </td><td>0 </td><td>5 </td><td>0 </td><td>0 </td><td>14 </td><td> 2500 </td><td>1 </td><td>1 </td><td>4052 </td><td>... </td><td>1 </td><td>2580 </td><td>0 </td><td>2580 </td><td> 0 </td><td>44 </td><td>0 </td><td>33 </td><td> 2.750000</td><td>4096 </td></tr>\n", | |
| "\t<tr><td>41 </td><td>0 </td><td>6 </td><td>0 </td><td>0 </td><td>12 </td><td> 0 </td><td>1 </td><td>1 </td><td>4812 </td><td>... </td><td>0 </td><td>1205 </td><td>0 </td><td> 0 </td><td>1205 </td><td>23 </td><td>0 </td><td>23 </td><td>19.249998</td><td>1681 </td></tr>\n", | |
| "</tbody>\n", | |
| "</table>\n" | |
| ], | |
| "text/latex": [ | |
| "\\begin{tabular}{r|llllllllllllllllllllllllllllllllll}\n", | |
| " age & black & case & clerical & construc & educ & earns74 & gdhlth & inlf & leis1 & ... & spwrk75 & totwrk & union & worknrm & workscnd & exper & yngkid & yrsmarr & hrwage & agesq\\\\\n", | |
| "\\hline\n", | |
| "\t 32 & 0 & 1 & 0 & 0 & 12 & 0 & 0 & 1 & 3529 & ... & 0 & 3438 & 0 & 3438 & 0 & 14 & 0 & 13 & 7.070004 & 1024 \\\\\n", | |
| "\t 31 & 0 & 2 & 0 & 0 & 14 & 9500 & 1 & 1 & 2140 & ... & 0 & 5020 & 0 & 5020 & 0 & 11 & 0 & 0 & 1.429999 & 961 \\\\\n", | |
| "\t 44 & 0 & 3 & 0 & 0 & 17 & 42500 & 1 & 1 & 4595 & ... & 1 & 2815 & 0 & 2815 & 0 & 21 & 0 & 0 & 20.529997 & 1936 \\\\\n", | |
| "\t 30 & 0 & 4 & 0 & 0 & 12 & 42500 & 1 & 1 & 3211 & ... & 1 & 3786 & 0 & 3786 & 0 & 12 & 0 & 12 & 9.619998 & 900 \\\\\n", | |
| "\t 64 & 0 & 5 & 0 & 0 & 14 & 2500 & 1 & 1 & 4052 & ... & 1 & 2580 & 0 & 2580 & 0 & 44 & 0 & 33 & 2.750000 & 4096 \\\\\n", | |
| "\t 41 & 0 & 6 & 0 & 0 & 12 & 0 & 1 & 1 & 4812 & ... & 0 & 1205 & 0 & 0 & 1205 & 23 & 0 & 23 & 19.249998 & 1681 \\\\\n", | |
| "\\end{tabular}\n" | |
| ], | |
| "text/markdown": [ | |
| "\n", | |
| "age | black | case | clerical | construc | educ | earns74 | gdhlth | inlf | leis1 | ... | spwrk75 | totwrk | union | worknrm | workscnd | exper | yngkid | yrsmarr | hrwage | agesq | \n", | |
| "|---|---|---|---|---|---|\n", | |
| "| 32 | 0 | 1 | 0 | 0 | 12 | 0 | 0 | 1 | 3529 | ... | 0 | 3438 | 0 | 3438 | 0 | 14 | 0 | 13 | 7.070004 | 1024 | \n", | |
| "| 31 | 0 | 2 | 0 | 0 | 14 | 9500 | 1 | 1 | 2140 | ... | 0 | 5020 | 0 | 5020 | 0 | 11 | 0 | 0 | 1.429999 | 961 | \n", | |
| "| 44 | 0 | 3 | 0 | 0 | 17 | 42500 | 1 | 1 | 4595 | ... | 1 | 2815 | 0 | 2815 | 0 | 21 | 0 | 0 | 20.529997 | 1936 | \n", | |
| "| 30 | 0 | 4 | 0 | 0 | 12 | 42500 | 1 | 1 | 3211 | ... | 1 | 3786 | 0 | 3786 | 0 | 12 | 0 | 12 | 9.619998 | 900 | \n", | |
| "| 64 | 0 | 5 | 0 | 0 | 14 | 2500 | 1 | 1 | 4052 | ... | 1 | 2580 | 0 | 2580 | 0 | 44 | 0 | 33 | 2.750000 | 4096 | \n", | |
| "| 41 | 0 | 6 | 0 | 0 | 12 | 0 | 1 | 1 | 4812 | ... | 0 | 1205 | 0 | 0 | 1205 | 23 | 0 | 23 | 19.249998 | 1681 | \n", | |
| "\n", | |
| "\n" | |
| ], | |
| "text/plain": [ | |
| " age black case clerical construc educ earns74 gdhlth inlf leis1 ... spwrk75\n", | |
| "1 32 0 1 0 0 12 0 0 1 3529 ... 0 \n", | |
| "2 31 0 2 0 0 14 9500 1 1 2140 ... 0 \n", | |
| "3 44 0 3 0 0 17 42500 1 1 4595 ... 1 \n", | |
| "4 30 0 4 0 0 12 42500 1 1 3211 ... 1 \n", | |
| "5 64 0 5 0 0 14 2500 1 1 4052 ... 1 \n", | |
| "6 41 0 6 0 0 12 0 1 1 4812 ... 0 \n", | |
| " totwrk union worknrm workscnd exper yngkid yrsmarr hrwage agesq\n", | |
| "1 3438 0 3438 0 14 0 13 7.070004 1024 \n", | |
| "2 5020 0 5020 0 11 0 0 1.429999 961 \n", | |
| "3 2815 0 2815 0 21 0 0 20.529997 1936 \n", | |
| "4 3786 0 3786 0 12 0 12 9.619998 900 \n", | |
| "5 2580 0 2580 0 44 0 33 2.750000 4096 \n", | |
| "6 1205 0 0 1205 23 0 23 19.249998 1681 " | |
| ] | |
| }, | |
| "metadata": {}, | |
| "output_type": "display_data" | |
| } | |
| ], | |
| "source": [ | |
| "sleep75 <- data\n", | |
| "head(sleep75)" | |
| ] | |
| }, | |
| { | |
| "cell_type": "code", | |
| "execution_count": 6, | |
| "metadata": {}, | |
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| "<table>\n", | |
| "<thead><tr><th scope=col>variable</th><th scope=col>label</th></tr></thead>\n", | |
| "<tbody>\n", | |
| "\t<tr><td>age </td><td>in years </td></tr>\n", | |
| "\t<tr><td>black </td><td>=1 if black </td></tr>\n", | |
| "\t<tr><td>case </td><td>identifier </td></tr>\n", | |
| "\t<tr><td>clerical </td><td>=1 if clerical worker </td></tr>\n", | |
| "\t<tr><td>construc </td><td>=1 if construction worker </td></tr>\n", | |
| "\t<tr><td>educ </td><td>years of schooling </td></tr>\n", | |
| "\t<tr><td>earns74 </td><td>total earnings, 1974 </td></tr>\n", | |
| "\t<tr><td>gdhlth </td><td>=1 if in good or excel. health</td></tr>\n", | |
| "\t<tr><td>inlf </td><td>=1 if in labor force </td></tr>\n", | |
| "\t<tr><td>leis1 </td><td>sleep - totwrk </td></tr>\n", | |
| "\t<tr><td>leis2 </td><td>slpnaps - totwrk </td></tr>\n", | |
| "\t<tr><td>leis3 </td><td>rlxall - totwrk </td></tr>\n", | |
| "\t<tr><td>smsa </td><td>=1 if live in smsa </td></tr>\n", | |
| "\t<tr><td>lhrwage </td><td>log hourly wage </td></tr>\n", | |
| "\t<tr><td>lothinc </td><td>log othinc, unless othinc < 0 </td></tr>\n", | |
| "\t<tr><td>male </td><td>=1 if male </td></tr>\n", | |
| "\t<tr><td>marr </td><td>=1 if married </td></tr>\n", | |
| "\t<tr><td>prot </td><td>=1 if Protestant </td></tr>\n", | |
| "\t<tr><td>rlxall </td><td>slpnaps + personal activs </td></tr>\n", | |
| "\t<tr><td>selfe </td><td>=1 if self employed </td></tr>\n", | |
| "\t<tr><td>sleep </td><td>mins sleep at night, per wk </td></tr>\n", | |
| "\t<tr><td>slpnaps </td><td>minutes sleep, inc. naps </td></tr>\n", | |
| "\t<tr><td>south </td><td>=1 if live in south </td></tr>\n", | |
| "\t<tr><td>spsepay </td><td>spousal wage income </td></tr>\n", | |
| "\t<tr><td>spwrk75 </td><td>=1 if spouse works </td></tr>\n", | |
| "\t<tr><td>totwrk </td><td>mins worked per week </td></tr>\n", | |
| "\t<tr><td>union </td><td>=1 if belong to union </td></tr>\n", | |
| "\t<tr><td>worknrm </td><td>mins work main job </td></tr>\n", | |
| "\t<tr><td>workscnd </td><td>mins work second job </td></tr>\n", | |
| "\t<tr><td>exper </td><td>age - educ - 6 </td></tr>\n", | |
| "\t<tr><td><span style=white-space:pre-wrap>yngkid </span> </td><td><span style=white-space:pre-wrap>=1 if children < 3 present </span></td></tr>\n", | |
| "\t<tr><td>yrsmarr </td><td>years married </td></tr>\n", | |
| "\t<tr><td>hrwage </td><td>hourly wage </td></tr>\n", | |
| "\t<tr><td>agesq </td><td>age^2 </td></tr>\n", | |
| "</tbody>\n", | |
| "</table>\n" | |
| ], | |
| "text/latex": [ | |
| "\\begin{tabular}{r|ll}\n", | |
| " variable & label\\\\\n", | |
| "\\hline\n", | |
| "\t age & in years \\\\\n", | |
| "\t black & =1 if black \\\\\n", | |
| "\t case & identifier \\\\\n", | |
| "\t clerical & =1 if clerical worker \\\\\n", | |
| "\t construc & =1 if construction worker \\\\\n", | |
| "\t educ & years of schooling \\\\\n", | |
| "\t earns74 & total earnings, 1974 \\\\\n", | |
| "\t gdhlth & =1 if in good or excel. health\\\\\n", | |
| "\t inlf & =1 if in labor force \\\\\n", | |
| "\t leis1 & sleep - totwrk \\\\\n", | |
| "\t leis2 & slpnaps - totwrk \\\\\n", | |
| "\t leis3 & rlxall - totwrk \\\\\n", | |
| "\t smsa & =1 if live in smsa \\\\\n", | |
| "\t lhrwage & log hourly wage \\\\\n", | |
| "\t lothinc & log othinc, unless othinc < 0 \\\\\n", | |
| "\t male & =1 if male \\\\\n", | |
| "\t marr & =1 if married \\\\\n", | |
| "\t prot & =1 if Protestant \\\\\n", | |
| "\t rlxall & slpnaps + personal activs \\\\\n", | |
| "\t selfe & =1 if self employed \\\\\n", | |
| "\t sleep & mins sleep at night, per wk \\\\\n", | |
| "\t slpnaps & minutes sleep, inc. naps \\\\\n", | |
| "\t south & =1 if live in south \\\\\n", | |
| "\t spsepay & spousal wage income \\\\\n", | |
| "\t spwrk75 & =1 if spouse works \\\\\n", | |
| "\t totwrk & mins worked per week \\\\\n", | |
| "\t union & =1 if belong to union \\\\\n", | |
| "\t worknrm & mins work main job \\\\\n", | |
| "\t workscnd & mins work second job \\\\\n", | |
| "\t exper & age - educ - 6 \\\\\n", | |
| "\t yngkid & =1 if children < 3 present \\\\\n", | |
| "\t yrsmarr & years married \\\\\n", | |
| "\t hrwage & hourly wage \\\\\n", | |
| "\t agesq & age\\textasciicircum{}2 \\\\\n", | |
| "\\end{tabular}\n" | |
| ], | |
| "text/markdown": [ | |
| "\n", | |
| "variable | label | \n", | |
| "|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|\n", | |
| "| age | in years | \n", | |
| "| black | =1 if black | \n", | |
| "| case | identifier | \n", | |
| "| clerical | =1 if clerical worker | \n", | |
| "| construc | =1 if construction worker | \n", | |
| "| educ | years of schooling | \n", | |
| "| earns74 | total earnings, 1974 | \n", | |
| "| gdhlth | =1 if in good or excel. health | \n", | |
| "| inlf | =1 if in labor force | \n", | |
| "| leis1 | sleep - totwrk | \n", | |
| "| leis2 | slpnaps - totwrk | \n", | |
| "| leis3 | rlxall - totwrk | \n", | |
| "| smsa | =1 if live in smsa | \n", | |
| "| lhrwage | log hourly wage | \n", | |
| "| lothinc | log othinc, unless othinc < 0 | \n", | |
| "| male | =1 if male | \n", | |
| "| marr | =1 if married | \n", | |
| "| prot | =1 if Protestant | \n", | |
| "| rlxall | slpnaps + personal activs | \n", | |
| "| selfe | =1 if self employed | \n", | |
| "| sleep | mins sleep at night, per wk | \n", | |
| "| slpnaps | minutes sleep, inc. naps | \n", | |
| "| south | =1 if live in south | \n", | |
| "| spsepay | spousal wage income | \n", | |
| "| spwrk75 | =1 if spouse works | \n", | |
| "| totwrk | mins worked per week | \n", | |
| "| union | =1 if belong to union | \n", | |
| "| worknrm | mins work main job | \n", | |
| "| workscnd | mins work second job | \n", | |
| "| exper | age - educ - 6 | \n", | |
| "| yngkid | =1 if children < 3 present | \n", | |
| "| yrsmarr | years married | \n", | |
| "| hrwage | hourly wage | \n", | |
| "| agesq | age^2 | \n", | |
| "\n", | |
| "\n" | |
| ], | |
| "text/plain": [ | |
| " variable label \n", | |
| "1 age in years \n", | |
| "2 black =1 if black \n", | |
| "3 case identifier \n", | |
| "4 clerical =1 if clerical worker \n", | |
| "5 construc =1 if construction worker \n", | |
| "6 educ years of schooling \n", | |
| "7 earns74 total earnings, 1974 \n", | |
| "8 gdhlth =1 if in good or excel. health\n", | |
| "9 inlf =1 if in labor force \n", | |
| "10 leis1 sleep - totwrk \n", | |
| "11 leis2 slpnaps - totwrk \n", | |
| "12 leis3 rlxall - totwrk \n", | |
| "13 smsa =1 if live in smsa \n", | |
| "14 lhrwage log hourly wage \n", | |
| "15 lothinc log othinc, unless othinc < 0 \n", | |
| "16 male =1 if male \n", | |
| "17 marr =1 if married \n", | |
| "18 prot =1 if Protestant \n", | |
| "19 rlxall slpnaps + personal activs \n", | |
| "20 selfe =1 if self employed \n", | |
| "21 sleep mins sleep at night, per wk \n", | |
| "22 slpnaps minutes sleep, inc. naps \n", | |
| "23 south =1 if live in south \n", | |
| "24 spsepay spousal wage income \n", | |
| "25 spwrk75 =1 if spouse works \n", | |
| "26 totwrk mins worked per week \n", | |
| "27 union =1 if belong to union \n", | |
| "28 worknrm mins work main job \n", | |
| "29 workscnd mins work second job \n", | |
| "30 exper age - educ - 6 \n", | |
| "31 yngkid =1 if children < 3 present \n", | |
| "32 yrsmarr years married \n", | |
| "33 hrwage hourly wage \n", | |
| "34 agesq age^2 " | |
| ] | |
| }, | |
| "metadata": {}, | |
| "output_type": "display_data" | |
| } | |
| ], | |
| "source": [ | |
| "desc" | |
| ] | |
| }, | |
| { | |
| "cell_type": "code", | |
| "execution_count": 7, | |
| "metadata": {}, | |
| "outputs": [ | |
| { | |
| "data": { | |
| "text/html": [ | |
| "<table>\n", | |
| "<thead><tr><th scope=col>variable</th><th scope=col>label</th></tr></thead>\n", | |
| "<tbody>\n", | |
| "\t<tr><td>age </td><td>in years </td></tr>\n", | |
| "\t<tr><td>educ </td><td>years of schooling </td></tr>\n", | |
| "\t<tr><td>sleep </td><td>mins sleep at night, per wk</td></tr>\n", | |
| "\t<tr><td>totwrk </td><td>mins worked per week </td></tr>\n", | |
| "\t<tr><td>yngkid </td><td>=1 if children < 3 present </td></tr>\n", | |
| "\t<tr><td>agesq </td><td>age^2 </td></tr>\n", | |
| "</tbody>\n", | |
| "</table>\n" | |
| ], | |
| "text/latex": [ | |
| "\\begin{tabular}{r|ll}\n", | |
| " variable & label\\\\\n", | |
| "\\hline\n", | |
| "\t age & in years \\\\\n", | |
| "\t educ & years of schooling \\\\\n", | |
| "\t sleep & mins sleep at night, per wk\\\\\n", | |
| "\t totwrk & mins worked per week \\\\\n", | |
| "\t yngkid & =1 if children < 3 present \\\\\n", | |
| "\t agesq & age\\textasciicircum{}2 \\\\\n", | |
| "\\end{tabular}\n" | |
| ], | |
| "text/markdown": [ | |
| "\n", | |
| "variable | label | \n", | |
| "|---|---|---|---|---|---|\n", | |
| "| age | in years | \n", | |
| "| educ | years of schooling | \n", | |
| "| sleep | mins sleep at night, per wk | \n", | |
| "| totwrk | mins worked per week | \n", | |
| "| yngkid | =1 if children < 3 present | \n", | |
| "| agesq | age^2 | \n", | |
| "\n", | |
| "\n" | |
| ], | |
| "text/plain": [ | |
| " variable label \n", | |
| "1 age in years \n", | |
| "2 educ years of schooling \n", | |
| "3 sleep mins sleep at night, per wk\n", | |
| "4 totwrk mins worked per week \n", | |
| "5 yngkid =1 if children < 3 present \n", | |
| "6 agesq age^2 " | |
| ] | |
| }, | |
| "metadata": {}, | |
| "output_type": "display_data" | |
| } | |
| ], | |
| "source": [ | |
| "filter(desc, variable %in% c(\"sleep\",\"totwrk\",\"educ\",\"age\",\"agesq\",\"yngkid\"))" | |
| ] | |
| }, | |
| { | |
| "cell_type": "code", | |
| "execution_count": 8, | |
| "metadata": {}, | |
| "outputs": [ | |
| { | |
| "data": { | |
| "text/plain": [ | |
| "\n", | |
| "Call:\n", | |
| "lm(formula = sleep ~ totwrk + educ + age + agesq + yngkid, data = sleep75)\n", | |
| "\n", | |
| "Residuals:\n", | |
| " Min 1Q Median 3Q Max \n", | |
| "-2427.76 -241.36 16.97 252.67 1308.13 \n", | |
| "\n", | |
| "Coefficients:\n", | |
| " Estimate Std. Error t value Pr(>|t|) \n", | |
| "(Intercept) 3825.37490 240.25848 15.922 <2e-16 ***\n", | |
| "totwrk -0.14605 0.01688 -8.652 <2e-16 ***\n", | |
| "educ -11.13772 5.89017 -1.891 0.0591 . \n", | |
| "age -8.12395 11.37049 -0.714 0.4752 \n", | |
| "agesq 0.12629 0.13519 0.934 0.3505 \n", | |
| "yngkid 17.15441 50.00839 0.343 0.7317 \n", | |
| "---\n", | |
| "Signif. codes: 0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1\n", | |
| "\n", | |
| "Residual standard error: 419.6 on 700 degrees of freedom\n", | |
| "Multiple R-squared: 0.1147,\tAdjusted R-squared: 0.1084 \n", | |
| "F-statistic: 18.14 on 5 and 700 DF, p-value: < 2.2e-16\n" | |
| ] | |
| }, | |
| "metadata": {}, | |
| "output_type": "display_data" | |
| } | |
| ], | |
| "source": [ | |
| "fit_R <- lm(data = sleep75, sleep ~ totwrk + educ + age + agesq + yngkid)\n", | |
| "summary(fit_R)" | |
| ] | |
| }, | |
| { | |
| "cell_type": "code", | |
| "execution_count": 9, | |
| "metadata": {}, | |
| "outputs": [ | |
| { | |
| "data": { | |
| "text/html": [ | |
| "<ol class=list-inline>\n", | |
| "\t<li>400</li>\n", | |
| "\t<li>34</li>\n", | |
| "</ol>\n" | |
| ], | |
| "text/latex": [ | |
| "\\begin{enumerate*}\n", | |
| "\\item 400\n", | |
| "\\item 34\n", | |
| "\\end{enumerate*}\n" | |
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| "1. 400\n", | |
| "2. 34\n", | |
| "\n", | |
| "\n" | |
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| "[1] 400 34" | |
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| "data": { | |
| "text/html": [ | |
| "<ol class=list-inline>\n", | |
| "\t<li>306</li>\n", | |
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| "text/latex": [ | |
| "\\begin{enumerate*}\n", | |
| "\\item 306\n", | |
| "\\item 34\n", | |
| "\\end{enumerate*}\n" | |
| ], | |
| "text/markdown": [ | |
| "1. 306\n", | |
| "2. 34\n", | |
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| "\n" | |
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| "[1] 306 34" | |
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| }, | |
| "metadata": {}, | |
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| }, | |
| { | |
| "data": { | |
| "text/plain": [ | |
| " Min. 1st Qu. Median Mean 3rd Qu. Max. \n", | |
| " 23.00 30.00 37.00 39.13 47.00 65.00 " | |
| ] | |
| }, | |
| "metadata": {}, | |
| "output_type": "display_data" | |
| } | |
| ], | |
| "source": [ | |
| "sleep75_male <- filter(sleep75, male == 1)\n", | |
| "sleep75_female <- filter(sleep75, male == 0)\n", | |
| "dim(sleep75_male)\n", | |
| "dim(sleep75_female)\n", | |
| "summary(sleep75_male$age)" | |
| ] | |
| }, | |
| { | |
| "cell_type": "code", | |
| "execution_count": 10, | |
| "metadata": {}, | |
| "outputs": [ | |
| { | |
| "data": { | |
| "text/plain": [ | |
| "\n", | |
| "Call:\n", | |
| "lm(formula = sleep ~ totwrk + educ + age + agesq + yngkid, data = sleep75_male)\n", | |
| "\n", | |
| "Residuals:\n", | |
| " Min 1Q Median 3Q Max \n", | |
| "-1793.96 -216.05 7.93 244.57 1141.21 \n", | |
| "\n", | |
| "Coefficients:\n", | |
| " Estimate Std. Error t value Pr(>|t|) \n", | |
| "(Intercept) 3648.20826 310.03933 11.767 < 2e-16 ***\n", | |
| "totwrk -0.18212 0.02449 -7.438 6.45e-13 ***\n", | |
| "educ -13.05238 7.41422 -1.760 0.0791 . \n", | |
| "age 7.15659 14.32037 0.500 0.6175 \n", | |
| "agesq -0.04477 0.16841 -0.266 0.7905 \n", | |
| "yngkid 60.38021 59.02278 1.023 0.3069 \n", | |
| "---\n", | |
| "Signif. codes: 0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1\n", | |
| "\n", | |
| "Residual standard error: 402.3 on 394 degrees of freedom\n", | |
| "Multiple R-squared: 0.1562,\tAdjusted R-squared: 0.1455 \n", | |
| "F-statistic: 14.59 on 5 and 394 DF, p-value: 3.952e-13\n" | |
| ] | |
| }, | |
| "metadata": {}, | |
| "output_type": "display_data" | |
| } | |
| ], | |
| "source": [ | |
| "## Male\n", | |
| "\n", | |
| "fit_male <- lm(data = sleep75_male, sleep ~ totwrk + educ + age + agesq + yngkid)\n", | |
| "summary(fit_male)" | |
| ] | |
| }, | |
| { | |
| "cell_type": "code", | |
| "execution_count": 11, | |
| "metadata": {}, | |
| "outputs": [ | |
| { | |
| "data": { | |
| "text/plain": [ | |
| "\n", | |
| "Call:\n", | |
| "lm(formula = sleep ~ totwrk + educ + age + agesq + yngkid, data = sleep75_female)\n", | |
| "\n", | |
| "Residuals:\n", | |
| " Min 1Q Median 3Q Max \n", | |
| "-2485.02 -244.18 7.24 270.64 1376.91 \n", | |
| "\n", | |
| "Coefficients:\n", | |
| " Estimate Std. Error t value Pr(>|t|) \n", | |
| "(Intercept) 4238.72933 384.89226 11.013 < 2e-16 ***\n", | |
| "totwrk -0.13995 0.02766 -5.060 7.33e-07 ***\n", | |
| "educ -10.20514 9.58885 -1.064 0.288 \n", | |
| "age -30.35657 18.53091 -1.638 0.102 \n", | |
| "agesq 0.36794 0.22334 1.647 0.101 \n", | |
| "yngkid -118.28256 93.18757 -1.269 0.205 \n", | |
| "---\n", | |
| "Signif. codes: 0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1\n", | |
| "\n", | |
| "Residual standard error: 437 on 300 degrees of freedom\n", | |
| "Multiple R-squared: 0.09768,\tAdjusted R-squared: 0.08264 \n", | |
| "F-statistic: 6.495 on 5 and 300 DF, p-value: 9.42e-06\n" | |
| ] | |
| }, | |
| "metadata": {}, | |
| "output_type": "display_data" | |
| } | |
| ], | |
| "source": [ | |
| "## Female\n", | |
| "fit_female <- lm(data = sleep75_female, sleep ~ totwrk + educ + age + agesq + yngkid)\n", | |
| "summary(fit_female)" | |
| ] | |
| }, | |
| { | |
| "cell_type": "code", | |
| "execution_count": 12, | |
| "metadata": {}, | |
| "outputs": [ | |
| { | |
| "data": { | |
| "text/plain": [ | |
| "\n", | |
| "Call:\n", | |
| "lm(formula = sleep ~ totwrk + educ + age + agesq + yngkid + male + \n", | |
| " male * totwrk + male * educ + male * age + male * agesq + \n", | |
| " male * yngkid, data = sleep75)\n", | |
| "\n", | |
| "Residuals:\n", | |
| " Min 1Q Median 3Q Max \n", | |
| "-2485.02 -226.74 7.93 257.77 1376.91 \n", | |
| "\n", | |
| "Coefficients:\n", | |
| " Estimate Std. Error t value Pr(>|t|) \n", | |
| "(Intercept) 4238.72933 367.85193 11.523 < 2e-16 ***\n", | |
| "totwrk -0.13995 0.02643 -5.294 1.61e-07 ***\n", | |
| "educ -10.20514 9.16432 -1.114 0.2658 \n", | |
| "age -30.35657 17.71049 -1.714 0.0870 . \n", | |
| "agesq 0.36794 0.21345 1.724 0.0852 . \n", | |
| "yngkid -118.28256 89.06187 -1.328 0.1846 \n", | |
| "male -590.52107 488.79159 -1.208 0.2274 \n", | |
| "totwrk:male -0.04217 0.03667 -1.150 0.2506 \n", | |
| "educ:male -2.84724 11.96795 -0.238 0.8120 \n", | |
| "age:male 37.51316 23.12332 1.622 0.1052 \n", | |
| "agesq:male -0.41271 0.27591 -1.496 0.1352 \n", | |
| "yngkid:male 178.66277 108.10510 1.653 0.0988 . \n", | |
| "---\n", | |
| "Signif. codes: 0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1\n", | |
| "\n", | |
| "Residual standard error: 417.6 on 694 degrees of freedom\n", | |
| "Multiple R-squared: 0.1306,\tAdjusted R-squared: 0.1168 \n", | |
| "F-statistic: 9.479 on 11 and 694 DF, p-value: 4.947e-16\n" | |
| ] | |
| }, | |
| "metadata": {}, | |
| "output_type": "display_data" | |
| } | |
| ], | |
| "source": [ | |
| "fit_UR <- lm(data = sleep75, sleep ~ totwrk + educ + age + agesq + yngkid + male + male*totwrk \n", | |
| " + male*educ + male*age + male*agesq + male*yngkid)\n", | |
| "summary(fit_UR)" | |
| ] | |
| }, | |
| { | |
| "cell_type": "code", | |
| "execution_count": 13, | |
| "metadata": {}, | |
| "outputs": [ | |
| { | |
| "data": { | |
| "text/html": [ | |
| "2.11635062871259" | |
| ], | |
| "text/latex": [ | |
| "2.11635062871259" | |
| ], | |
| "text/markdown": [ | |
| "2.11635062871259" | |
| ], | |
| "text/plain": [ | |
| "[1] 2.116351" | |
| ] | |
| }, | |
| "metadata": {}, | |
| "output_type": "display_data" | |
| } | |
| ], | |
| "source": [ | |
| "Rsq_R <- summary(fit_R)$r.squared\n", | |
| "Rsq_UR <- summary(fit_UR)$r.squared\n", | |
| "F_stat <- ((Rsq_UR - Rsq_R)/6) / ((1 - Rsq_UR)/(dim(sleep75)[1] - (11 + 1)))\n", | |
| "F_stat" | |
| ] | |
| }, | |
| { | |
| "cell_type": "code", | |
| "execution_count": 14, | |
| "metadata": {}, | |
| "outputs": [ | |
| { | |
| "data": { | |
| "text/plain": [ | |
| "\n", | |
| "Call:\n", | |
| "lm(formula = sleep ~ totwrk + educ + age + agesq + yngkid + male + \n", | |
| " new, data = newdata)\n", | |
| "\n", | |
| "Residuals:\n", | |
| " Min 1Q Median 3Q Max \n", | |
| "-2401.41 -232.60 9.96 254.40 1357.21 \n", | |
| "\n", | |
| "Coefficients:\n", | |
| " Estimate Std. Error t value Pr(>|t|) \n", | |
| "(Intercept) 3808.26766 241.08468 15.796 < 2e-16 ***\n", | |
| "totwrk -0.14192 0.02626 -5.404 8.94e-08 ***\n", | |
| "educ -11.74231 5.87081 -2.000 0.0459 * \n", | |
| "age -8.66185 11.32682 -0.765 0.4447 \n", | |
| "agesq 0.12515 0.13467 0.929 0.3531 \n", | |
| "yngkid -0.15211 50.26629 -0.003 0.9976 \n", | |
| "male 172.70500 82.56363 2.092 0.0368 * \n", | |
| "new -0.04118 0.03633 -1.134 0.2573 \n", | |
| "---\n", | |
| "Signif. codes: 0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1\n", | |
| "\n", | |
| "Residual standard error: 417.9 on 698 degrees of freedom\n", | |
| "Multiple R-squared: 0.1244,\tAdjusted R-squared: 0.1156 \n", | |
| "F-statistic: 14.16 on 7 and 698 DF, p-value: < 2.2e-16\n" | |
| ] | |
| }, | |
| "metadata": {}, | |
| "output_type": "display_data" | |
| } | |
| ], | |
| "source": [ | |
| "newdata <- mutate(sleep75, new = male * totwrk)\n", | |
| "fit <- lm(data = newdata, sleep ~ totwrk + educ + age + agesq + yngkid + male + new)\n", | |
| "summary(fit)" | |
| ] | |
| }, | |
| { | |
| "cell_type": "code", | |
| "execution_count": 15, | |
| "metadata": {}, | |
| "outputs": [ | |
| { | |
| "data": { | |
| "text/plain": [ | |
| "\n", | |
| "Call:\n", | |
| "lm(formula = sleep ~ totwrk + educ + age + agesq + yngkid + male, \n", | |
| " data = sleep75)\n", | |
| "\n", | |
| "Residuals:\n", | |
| " Min 1Q Median 3Q Max \n", | |
| "-2378.00 -243.29 6.73 259.24 1350.19 \n", | |
| "\n", | |
| "Coefficients:\n", | |
| " Estimate Std. Error t value Pr(>|t|) \n", | |
| "(Intercept) 3840.85207 239.41393 16.043 <2e-16 ***\n", | |
| "totwrk -0.16342 0.01816 -8.997 <2e-16 ***\n", | |
| "educ -11.71327 5.87195 -1.995 0.0465 * \n", | |
| "age -8.69740 11.32909 -0.768 0.4429 \n", | |
| "agesq 0.12844 0.13467 0.954 0.3405 \n", | |
| "yngkid -0.02280 50.27641 0.000 0.9996 \n", | |
| "male 87.75455 34.66794 2.531 0.0116 * \n", | |
| "---\n", | |
| "Signif. codes: 0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1\n", | |
| "\n", | |
| "Residual standard error: 418 on 699 degrees of freedom\n", | |
| "Multiple R-squared: 0.1228,\tAdjusted R-squared: 0.1152 \n", | |
| "F-statistic: 16.3 on 6 and 699 DF, p-value: < 2.2e-16\n" | |
| ] | |
| }, | |
| "metadata": {}, | |
| "output_type": "display_data" | |
| } | |
| ], | |
| "source": [ | |
| "fit_UR_2 <- lm(data = sleep75, sleep ~ totwrk + educ + age + agesq + yngkid + male)\n", | |
| "summary(fit_UR_2)" | |
| ] | |
| }, | |
| { | |
| "cell_type": "code", | |
| "execution_count": 44, | |
| "metadata": {}, | |
| "outputs": [ | |
| { | |
| "data": {}, | |
| "metadata": {}, | |
| "output_type": "display_data" | |
| }, | |
| { | |
| "data": { | |
| "image/png": 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qqMEFIPJ9W6jyojhNTDSbXuo8oIIfVwUq37qDJCSD2cVOs+qowQUg8n1bqPKiOE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\nTkSuQmCC", | |
| "text/plain": [ | |
| "plot without title" | |
| ] | |
| }, | |
| "metadata": {}, | |
| "output_type": "display_data" | |
| } | |
| ], | |
| "source": [ | |
| "qplot(fit_UR$residuals, geom = \"histogram\", bins= 30)" | |
| ] | |
| }, | |
| { | |
| "cell_type": "code", | |
| "execution_count": 35, | |
| "metadata": {}, | |
| "outputs": [ | |
| { | |
| "data": { | |
| "text/plain": [ | |
| "\n", | |
| "\tJarque-Bera test for normality\n", | |
| "\n", | |
| "data: fit_UR$residuals\n", | |
| "JB = 231.2, p-value < 2.2e-16\n" | |
| ] | |
| }, | |
| "metadata": {}, | |
| "output_type": "display_data" | |
| } | |
| ], | |
| "source": [ | |
| "library(normtest)\n", | |
| "jb.norm.test(fit_UR$residuals)" | |
| ] | |
| }, | |
| { | |
| "cell_type": "code", | |
| "execution_count": 17, | |
| "metadata": { | |
| "collapsed": true | |
| }, | |
| "outputs": [], | |
| "source": [ | |
| "## Qns 3" | |
| ] | |
| }, | |
| { | |
| "cell_type": "code", | |
| "execution_count": 18, | |
| "metadata": {}, | |
| "outputs": [ | |
| { | |
| "data": { | |
| "text/html": [ | |
| "<ol class=list-inline>\n", | |
| "\t<li>'data'</li>\n", | |
| "\t<li>'desc'</li>\n", | |
| "\t<li>'self'</li>\n", | |
| "</ol>\n" | |
| ], | |
| "text/latex": [ | |
| "\\begin{enumerate*}\n", | |
| "\\item 'data'\n", | |
| "\\item 'desc'\n", | |
| "\\item 'self'\n", | |
| "\\end{enumerate*}\n" | |
| ], | |
| "text/markdown": [ | |
| "1. 'data'\n", | |
| "2. 'desc'\n", | |
| "3. 'self'\n", | |
| "\n", | |
| "\n" | |
| ], | |
| "text/plain": [ | |
| "[1] \"data\" \"desc\" \"self\"" | |
| ] | |
| }, | |
| "metadata": {}, | |
| "output_type": "display_data" | |
| } | |
| ], | |
| "source": [ | |
| "qns3 <- load(\"fertil2.Rdata\")\n", | |
| "qns3" | |
| ] | |
| }, | |
| { | |
| "cell_type": "code", | |
| "execution_count": 19, | |
| "metadata": {}, | |
| "outputs": [ | |
| { | |
| "data": { | |
| "text/html": [ | |
| "<table>\n", | |
| "<thead><tr><th scope=col>mnthborn</th><th scope=col>yearborn</th><th scope=col>age</th><th scope=col>electric</th><th scope=col>radio</th><th scope=col>tv</th><th scope=col>bicycle</th><th scope=col>educ</th><th scope=col>ceb</th><th scope=col>agefbrth</th><th scope=col>...</th><th scope=col>heduc</th><th scope=col>agesq</th><th scope=col>urban</th><th scope=col>urb_educ</th><th scope=col>spirit</th><th scope=col>protest</th><th scope=col>catholic</th><th scope=col>frsthalf</th><th scope=col>educ0</th><th scope=col>evermarr</th></tr></thead>\n", | |
| "<tbody>\n", | |
| "\t<tr><td> 5 </td><td>64 </td><td>24 </td><td>1 </td><td>1 </td><td>1 </td><td>1 </td><td>12 </td><td>0 </td><td>NA </td><td>... </td><td>NA </td><td> 576</td><td>1 </td><td>12 </td><td>0 </td><td>0 </td><td>0 </td><td>1 </td><td>0 </td><td>0 </td></tr>\n", | |
| "\t<tr><td> 1 </td><td>56 </td><td>32 </td><td>1 </td><td>1 </td><td>1 </td><td>1 </td><td>13 </td><td>3 </td><td>25 </td><td>... </td><td>12 </td><td>1024</td><td>1 </td><td>13 </td><td>0 </td><td>0 </td><td>0 </td><td>1 </td><td>0 </td><td>1 </td></tr>\n", | |
| "\t<tr><td> 7 </td><td>58 </td><td>30 </td><td>1 </td><td>0 </td><td>0 </td><td>0 </td><td> 5 </td><td>1 </td><td>27 </td><td>... </td><td> 7 </td><td> 900</td><td>1 </td><td> 5 </td><td>1 </td><td>0 </td><td>0 </td><td>0 </td><td>0 </td><td>1 </td></tr>\n", | |
| "\t<tr><td>11 </td><td>45 </td><td>42 </td><td>1 </td><td>0 </td><td>1 </td><td>0 </td><td> 4 </td><td>3 </td><td>17 </td><td>... </td><td>11 </td><td>1764</td><td>1 </td><td> 4 </td><td>0 </td><td>0 </td><td>0 </td><td>0 </td><td>0 </td><td>1 </td></tr>\n", | |
| "\t<tr><td> 5 </td><td>45 </td><td>43 </td><td>1 </td><td>1 </td><td>1 </td><td>1 </td><td>11 </td><td>2 </td><td>24 </td><td>... </td><td>14 </td><td>1849</td><td>1 </td><td>11 </td><td>0 </td><td>1 </td><td>0 </td><td>1 </td><td>0 </td><td>1 </td></tr>\n", | |
| "\t<tr><td> 8 </td><td>52 </td><td>36 </td><td>1 </td><td>0 </td><td>0 </td><td>0 </td><td> 7 </td><td>1 </td><td>26 </td><td>... </td><td> 9 </td><td>1296</td><td>1 </td><td> 7 </td><td>0 </td><td>0 </td><td>0 </td><td>0 </td><td>0 </td><td>1 </td></tr>\n", | |
| "</tbody>\n", | |
| "</table>\n" | |
| ], | |
| "text/latex": [ | |
| "\\begin{tabular}{r|lllllllllllllllllllllllllll}\n", | |
| " mnthborn & yearborn & age & electric & radio & tv & bicycle & educ & ceb & agefbrth & ... & heduc & agesq & urban & urb\\_educ & spirit & protest & catholic & frsthalf & educ0 & evermarr\\\\\n", | |
| "\\hline\n", | |
| "\t 5 & 64 & 24 & 1 & 1 & 1 & 1 & 12 & 0 & NA & ... & NA & 576 & 1 & 12 & 0 & 0 & 0 & 1 & 0 & 0 \\\\\n", | |
| "\t 1 & 56 & 32 & 1 & 1 & 1 & 1 & 13 & 3 & 25 & ... & 12 & 1024 & 1 & 13 & 0 & 0 & 0 & 1 & 0 & 1 \\\\\n", | |
| "\t 7 & 58 & 30 & 1 & 0 & 0 & 0 & 5 & 1 & 27 & ... & 7 & 900 & 1 & 5 & 1 & 0 & 0 & 0 & 0 & 1 \\\\\n", | |
| "\t 11 & 45 & 42 & 1 & 0 & 1 & 0 & 4 & 3 & 17 & ... & 11 & 1764 & 1 & 4 & 0 & 0 & 0 & 0 & 0 & 1 \\\\\n", | |
| "\t 5 & 45 & 43 & 1 & 1 & 1 & 1 & 11 & 2 & 24 & ... & 14 & 1849 & 1 & 11 & 0 & 1 & 0 & 1 & 0 & 1 \\\\\n", | |
| "\t 8 & 52 & 36 & 1 & 0 & 0 & 0 & 7 & 1 & 26 & ... & 9 & 1296 & 1 & 7 & 0 & 0 & 0 & 0 & 0 & 1 \\\\\n", | |
| "\\end{tabular}\n" | |
| ], | |
| "text/markdown": [ | |
| "\n", | |
| "mnthborn | yearborn | age | electric | radio | tv | bicycle | educ | ceb | agefbrth | ... | heduc | agesq | urban | urb_educ | spirit | protest | catholic | frsthalf | educ0 | evermarr | \n", | |
| "|---|---|---|---|---|---|\n", | |
| "| 5 | 64 | 24 | 1 | 1 | 1 | 1 | 12 | 0 | NA | ... | NA | 576 | 1 | 12 | 0 | 0 | 0 | 1 | 0 | 0 | \n", | |
| "| 1 | 56 | 32 | 1 | 1 | 1 | 1 | 13 | 3 | 25 | ... | 12 | 1024 | 1 | 13 | 0 | 0 | 0 | 1 | 0 | 1 | \n", | |
| "| 7 | 58 | 30 | 1 | 0 | 0 | 0 | 5 | 1 | 27 | ... | 7 | 900 | 1 | 5 | 1 | 0 | 0 | 0 | 0 | 1 | \n", | |
| "| 11 | 45 | 42 | 1 | 0 | 1 | 0 | 4 | 3 | 17 | ... | 11 | 1764 | 1 | 4 | 0 | 0 | 0 | 0 | 0 | 1 | \n", | |
| "| 5 | 45 | 43 | 1 | 1 | 1 | 1 | 11 | 2 | 24 | ... | 14 | 1849 | 1 | 11 | 0 | 1 | 0 | 1 | 0 | 1 | \n", | |
| "| 8 | 52 | 36 | 1 | 0 | 0 | 0 | 7 | 1 | 26 | ... | 9 | 1296 | 1 | 7 | 0 | 0 | 0 | 0 | 0 | 1 | \n", | |
| "\n", | |
| "\n" | |
| ], | |
| "text/plain": [ | |
| " mnthborn yearborn age electric radio tv bicycle educ ceb agefbrth ... heduc\n", | |
| "1 5 64 24 1 1 1 1 12 0 NA ... NA \n", | |
| "2 1 56 32 1 1 1 1 13 3 25 ... 12 \n", | |
| "3 7 58 30 1 0 0 0 5 1 27 ... 7 \n", | |
| "4 11 45 42 1 0 1 0 4 3 17 ... 11 \n", | |
| "5 5 45 43 1 1 1 1 11 2 24 ... 14 \n", | |
| "6 8 52 36 1 0 0 0 7 1 26 ... 9 \n", | |
| " agesq urban urb_educ spirit protest catholic frsthalf educ0 evermarr\n", | |
| "1 576 1 12 0 0 0 1 0 0 \n", | |
| "2 1024 1 13 0 0 0 1 0 1 \n", | |
| "3 900 1 5 1 0 0 0 0 1 \n", | |
| "4 1764 1 4 0 0 0 0 0 1 \n", | |
| "5 1849 1 11 0 1 0 1 0 1 \n", | |
| "6 1296 1 7 0 0 0 0 0 1 " | |
| ] | |
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| "metadata": {}, | |
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| }, | |
| { | |
| "data": { | |
| "text/html": [ | |
| "<ol class=list-inline>\n", | |
| "\t<li>4361</li>\n", | |
| "\t<li>27</li>\n", | |
| "</ol>\n" | |
| ], | |
| "text/latex": [ | |
| "\\begin{enumerate*}\n", | |
| "\\item 4361\n", | |
| "\\item 27\n", | |
| "\\end{enumerate*}\n" | |
| ], | |
| "text/markdown": [ | |
| "1. 4361\n", | |
| "2. 27\n", | |
| "\n", | |
| "\n" | |
| ], | |
| "text/plain": [ | |
| "[1] 4361 27" | |
| ] | |
| }, | |
| "metadata": {}, | |
| "output_type": "display_data" | |
| } | |
| ], | |
| "source": [ | |
| "fertil2 <- data\n", | |
| "head(fertil2)\n", | |
| "dim(fertil2)" | |
| ] | |
| }, | |
| { | |
| "cell_type": "code", | |
| "execution_count": 20, | |
| "metadata": {}, | |
| "outputs": [ | |
| { | |
| "data": { | |
| "text/html": [ | |
| "<table>\n", | |
| "<thead><tr><th scope=col>variable</th><th scope=col>label</th></tr></thead>\n", | |
| "<tbody>\n", | |
| "\t<tr><td>mnthborn </td><td>month woman born </td></tr>\n", | |
| "\t<tr><td>yearborn </td><td>year woman born </td></tr>\n", | |
| "\t<tr><td>age </td><td>age in years </td></tr>\n", | |
| "\t<tr><td>electric </td><td>=1 if has electricity </td></tr>\n", | |
| "\t<tr><td>radio </td><td>=1 if has radio </td></tr>\n", | |
| "\t<tr><td>tv </td><td>=1 if has tv </td></tr>\n", | |
| "\t<tr><td>bicycle </td><td>=1 if has bicycle </td></tr>\n", | |
| "\t<tr><td>educ </td><td>years of education </td></tr>\n", | |
| "\t<tr><td>ceb </td><td>children ever born </td></tr>\n", | |
| "\t<tr><td>agefbrth </td><td>age at first birth </td></tr>\n", | |
| "\t<tr><td>children </td><td>number of living children </td></tr>\n", | |
| "\t<tr><td>knowmeth </td><td>=1 if know about birth control</td></tr>\n", | |
| "\t<tr><td>usemeth </td><td>=1 if ever use birth control </td></tr>\n", | |
| "\t<tr><td>monthfm </td><td>month of first marriage </td></tr>\n", | |
| "\t<tr><td>yearfm </td><td>year of first marriage </td></tr>\n", | |
| "\t<tr><td>agefm </td><td>age at first marriage </td></tr>\n", | |
| "\t<tr><td>idlnchld </td><td>'ideal' number of children </td></tr>\n", | |
| "\t<tr><td>heduc </td><td>husband's years of education </td></tr>\n", | |
| "\t<tr><td>agesq </td><td>age^2 </td></tr>\n", | |
| "\t<tr><td>urban </td><td>=1 if live in urban area </td></tr>\n", | |
| "\t<tr><td>urb_educ </td><td>urban*educ </td></tr>\n", | |
| "\t<tr><td>spirit </td><td>=1 if religion == spirit </td></tr>\n", | |
| "\t<tr><td>protest </td><td>=1 if religion == protestant </td></tr>\n", | |
| "\t<tr><td>catholic </td><td>=1 if religion == catholic </td></tr>\n", | |
| "\t<tr><td>frsthalf </td><td><span style=white-space:pre-wrap>=1 if mnthborn <= 6 </span></td></tr>\n", | |
| "\t<tr><td>educ0 </td><td>=1 if educ == 0 </td></tr>\n", | |
| "\t<tr><td>evermarr </td><td>=1 if ever married </td></tr>\n", | |
| "</tbody>\n", | |
| "</table>\n" | |
| ], | |
| "text/latex": [ | |
| "\\begin{tabular}{r|ll}\n", | |
| " variable & label\\\\\n", | |
| "\\hline\n", | |
| "\t mnthborn & month woman born \\\\\n", | |
| "\t yearborn & year woman born \\\\\n", | |
| "\t age & age in years \\\\\n", | |
| "\t electric & =1 if has electricity \\\\\n", | |
| "\t radio & =1 if has radio \\\\\n", | |
| "\t tv & =1 if has tv \\\\\n", | |
| "\t bicycle & =1 if has bicycle \\\\\n", | |
| "\t educ & years of education \\\\\n", | |
| "\t ceb & children ever born \\\\\n", | |
| "\t agefbrth & age at first birth \\\\\n", | |
| "\t children & number of living children \\\\\n", | |
| "\t knowmeth & =1 if know about birth control\\\\\n", | |
| "\t usemeth & =1 if ever use birth control \\\\\n", | |
| "\t monthfm & month of first marriage \\\\\n", | |
| "\t yearfm & year of first marriage \\\\\n", | |
| "\t agefm & age at first marriage \\\\\n", | |
| "\t idlnchld & 'ideal' number of children \\\\\n", | |
| "\t heduc & husband's years of education \\\\\n", | |
| "\t agesq & age\\textasciicircum{}2 \\\\\n", | |
| "\t urban & =1 if live in urban area \\\\\n", | |
| "\t urb\\_educ & urban*educ \\\\\n", | |
| "\t spirit & =1 if religion == spirit \\\\\n", | |
| "\t protest & =1 if religion == protestant \\\\\n", | |
| "\t catholic & =1 if religion == catholic \\\\\n", | |
| "\t frsthalf & =1 if mnthborn <= 6 \\\\\n", | |
| "\t educ0 & =1 if educ == 0 \\\\\n", | |
| "\t evermarr & =1 if ever married \\\\\n", | |
| "\\end{tabular}\n" | |
| ], | |
| "text/markdown": [ | |
| "\n", | |
| "variable | label | \n", | |
| "|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|\n", | |
| "| mnthborn | month woman born | \n", | |
| "| yearborn | year woman born | \n", | |
| "| age | age in years | \n", | |
| "| electric | =1 if has electricity | \n", | |
| "| radio | =1 if has radio | \n", | |
| "| tv | =1 if has tv | \n", | |
| "| bicycle | =1 if has bicycle | \n", | |
| "| educ | years of education | \n", | |
| "| ceb | children ever born | \n", | |
| "| agefbrth | age at first birth | \n", | |
| "| children | number of living children | \n", | |
| "| knowmeth | =1 if know about birth control | \n", | |
| "| usemeth | =1 if ever use birth control | \n", | |
| "| monthfm | month of first marriage | \n", | |
| "| yearfm | year of first marriage | \n", | |
| "| agefm | age at first marriage | \n", | |
| "| idlnchld | 'ideal' number of children | \n", | |
| "| heduc | husband's years of education | \n", | |
| "| agesq | age^2 | \n", | |
| "| urban | =1 if live in urban area | \n", | |
| "| urb_educ | urban*educ | \n", | |
| "| spirit | =1 if religion == spirit | \n", | |
| "| protest | =1 if religion == protestant | \n", | |
| "| catholic | =1 if religion == catholic | \n", | |
| "| frsthalf | =1 if mnthborn <= 6 | \n", | |
| "| educ0 | =1 if educ == 0 | \n", | |
| "| evermarr | =1 if ever married | \n", | |
| "\n", | |
| "\n" | |
| ], | |
| "text/plain": [ | |
| " variable label \n", | |
| "1 mnthborn month woman born \n", | |
| "2 yearborn year woman born \n", | |
| "3 age age in years \n", | |
| "4 electric =1 if has electricity \n", | |
| "5 radio =1 if has radio \n", | |
| "6 tv =1 if has tv \n", | |
| "7 bicycle =1 if has bicycle \n", | |
| "8 educ years of education \n", | |
| "9 ceb children ever born \n", | |
| "10 agefbrth age at first birth \n", | |
| "11 children number of living children \n", | |
| "12 knowmeth =1 if know about birth control\n", | |
| "13 usemeth =1 if ever use birth control \n", | |
| "14 monthfm month of first marriage \n", | |
| "15 yearfm year of first marriage \n", | |
| "16 agefm age at first marriage \n", | |
| "17 idlnchld 'ideal' number of children \n", | |
| "18 heduc husband's years of education \n", | |
| "19 agesq age^2 \n", | |
| "20 urban =1 if live in urban area \n", | |
| "21 urb_educ urban*educ \n", | |
| "22 spirit =1 if religion == spirit \n", | |
| "23 protest =1 if religion == protestant \n", | |
| "24 catholic =1 if religion == catholic \n", | |
| "25 frsthalf =1 if mnthborn <= 6 \n", | |
| "26 educ0 =1 if educ == 0 \n", | |
| "27 evermarr =1 if ever married " | |
| ] | |
| }, | |
| "metadata": {}, | |
| "output_type": "display_data" | |
| } | |
| ], | |
| "source": [ | |
| "desc" | |
| ] | |
| }, | |
| { | |
| "cell_type": "code", | |
| "execution_count": 21, | |
| "metadata": {}, | |
| "outputs": [ | |
| { | |
| "data": { | |
| "text/html": [ | |
| "0.140201927489674" | |
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| "0.140201927489674" | |
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| "0.140201927489674" | |
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| "[1] 0.1402019" | |
| ] | |
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| "metadata": {}, | |
| "output_type": "display_data" | |
| } | |
| ], | |
| "source": [ | |
| "mean(fertil2$electric,na.rm = TRUE)" | |
| ] | |
| }, | |
| { | |
| "cell_type": "code", | |
| "execution_count": 22, | |
| "metadata": {}, | |
| "outputs": [ | |
| { | |
| "name": "stdout", | |
| "output_type": "stream", | |
| "text": [ | |
| "[1] \"With Electric\"\n" | |
| ] | |
| }, | |
| { | |
| "data": { | |
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| "1.89852700490998" | |
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| { | |
| "name": "stdout", | |
| "output_type": "stream", | |
| "text": [ | |
| "[1] \"Without Electric\"\n" | |
| ] | |
| }, | |
| { | |
| "data": { | |
| "text/html": [ | |
| "2.32772884974646" | |
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| { | |
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| "2.27744277380652" | |
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| } | |
| ], | |
| "source": [ | |
| "fertil2_w_elec <- filter(fertil2, electric == 1)\n", | |
| "fertil2_wo_elec <- filter(fertil2, electric == 0)\n", | |
| "print(\"With Electric\")\n", | |
| "mean(fertil2_w_elec$children)\n", | |
| "sd(fertil2_w_elec$children)\n", | |
| "print(\"Without Electric\")\n", | |
| "mean(fertil2_wo_elec$children)\n", | |
| "sd(fertil2_wo_elec$children)" | |
| ] | |
| }, | |
| { | |
| "cell_type": "code", | |
| "execution_count": 23, | |
| "metadata": {}, | |
| "outputs": [ | |
| { | |
| "data": { | |
| "text/plain": [ | |
| "\n", | |
| "Call:\n", | |
| "lm(formula = children ~ electric, data = fertil2)\n", | |
| "\n", | |
| "Residuals:\n", | |
| " Min 1Q Median 3Q Max \n", | |
| "-2.3277 -1.8985 -0.3277 1.6723 10.6723 \n", | |
| "\n", | |
| "Coefficients:\n", | |
| " Estimate Std. Error t value Pr(>|t|) \n", | |
| "(Intercept) 2.32773 0.03622 64.265 < 2e-16 ***\n", | |
| "electric -0.42920 0.09673 -4.437 9.35e-06 ***\n", | |
| "---\n", | |
| "Signif. codes: 0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1\n", | |
| "\n", | |
| "Residual standard error: 2.217 on 4356 degrees of freedom\n", | |
| " (3 observations deleted due to missingness)\n", | |
| "Multiple R-squared: 0.004499,\tAdjusted R-squared: 0.004271 \n", | |
| "F-statistic: 19.69 on 1 and 4356 DF, p-value: 9.35e-06\n" | |
| ] | |
| }, | |
| "metadata": {}, | |
| "output_type": "display_data" | |
| } | |
| ], | |
| "source": [ | |
| "fit2 <- lm(data = fertil2, children ~ electric)\n", | |
| "summary(fit2)" | |
| ] | |
| }, | |
| { | |
| "cell_type": "code", | |
| "execution_count": 24, | |
| "metadata": {}, | |
| "outputs": [ | |
| { | |
| "data": { | |
| "text/plain": [ | |
| "\n", | |
| "Call:\n", | |
| "lm(formula = children ~ electric + age + agesq + educ + urban + \n", | |
| " spirit + protest + catholic, data = fertil2)\n", | |
| "\n", | |
| "Residuals:\n", | |
| " Min 1Q Median 3Q Max \n", | |
| "-5.9514 -0.7041 -0.0101 0.7213 7.4435 \n", | |
| "\n", | |
| "Coefficients:\n", | |
| " Estimate Std. Error t value Pr(>|t|) \n", | |
| "(Intercept) -4.3147175 0.2433391 -17.731 < 2e-16 ***\n", | |
| "electric -0.3057189 0.0690241 -4.429 9.69e-06 ***\n", | |
| "age 0.3418668 0.0165186 20.696 < 2e-16 ***\n", | |
| "agesq -0.0027596 0.0002722 -10.139 < 2e-16 ***\n", | |
| "educ -0.0762130 0.0064608 -11.796 < 2e-16 ***\n", | |
| "urban -0.2034131 0.0465864 -4.366 1.29e-05 ***\n", | |
| "spirit 0.1404603 0.0558052 2.517 0.0119 * \n", | |
| "protest 0.0753961 0.0652158 1.156 0.2477 \n", | |
| "catholic 0.1173539 0.0834249 1.407 0.1596 \n", | |
| "---\n", | |
| "Signif. codes: 0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1\n", | |
| "\n", | |
| "Residual standard error: 1.451 on 4349 degrees of freedom\n", | |
| " (3 observations deleted due to missingness)\n", | |
| "Multiple R-squared: 0.574,\tAdjusted R-squared: 0.5733 \n", | |
| "F-statistic: 732.6 on 8 and 4349 DF, p-value: < 2.2e-16\n" | |
| ] | |
| }, | |
| "metadata": {}, | |
| "output_type": "display_data" | |
| } | |
| ], | |
| "source": [ | |
| "fit3 <- lm(data = fertil2, children ~ electric + age + agesq + educ + urban + spirit + protest + catholic)\n", | |
| "summary(fit3)" | |
| ] | |
| }, | |
| { | |
| "cell_type": "code", | |
| "execution_count": 25, | |
| "metadata": {}, | |
| "outputs": [ | |
| { | |
| "data": { | |
| "text/plain": [ | |
| "\n", | |
| "Call:\n", | |
| "lm(formula = children ~ electric + age + agesq + educ + urban + \n", | |
| " spirit + protest + catholic + electric * educ, data = fertil2)\n", | |
| "\n", | |
| "Residuals:\n", | |
| " Min 1Q Median 3Q Max \n", | |
| "-5.9411 -0.7018 -0.0090 0.7235 7.4540 \n", | |
| "\n", | |
| "Coefficients:\n", | |
| " Estimate Std. Error t value Pr(>|t|) \n", | |
| "(Intercept) -4.3599481 0.2457539 -17.741 < 2e-16 ***\n", | |
| "electric -0.1290919 0.1514041 -0.853 0.3939 \n", | |
| "age 0.3433507 0.0165560 20.739 < 2e-16 ***\n", | |
| "agesq -0.0027732 0.0002724 -10.182 < 2e-16 ***\n", | |
| "educ -0.0720929 0.0071844 -10.035 < 2e-16 ***\n", | |
| "urban -0.2096981 0.0468288 -4.478 7.73e-06 ***\n", | |
| "spirit 0.1353488 0.0559367 2.420 0.0156 * \n", | |
| "protest 0.0708878 0.0653010 1.086 0.2777 \n", | |
| "catholic 0.1158265 0.0834262 1.388 0.1651 \n", | |
| "electric:educ -0.0215641 0.0164523 -1.311 0.1900 \n", | |
| "---\n", | |
| "Signif. codes: 0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1\n", | |
| "\n", | |
| "Residual standard error: 1.451 on 4348 degrees of freedom\n", | |
| " (3 observations deleted due to missingness)\n", | |
| "Multiple R-squared: 0.5742,\tAdjusted R-squared: 0.5733 \n", | |
| "F-statistic: 651.5 on 9 and 4348 DF, p-value: < 2.2e-16\n" | |
| ] | |
| }, | |
| "metadata": {}, | |
| "output_type": "display_data" | |
| } | |
| ], | |
| "source": [ | |
| "fit3 <- lm(data = fertil2, children ~ electric + age + agesq + educ + urban + spirit + protest + catholic + electric*educ)\n", | |
| "summary(fit3)" | |
| ] | |
| }, | |
| { | |
| "cell_type": "code", | |
| "execution_count": 26, | |
| "metadata": {}, | |
| "outputs": [ | |
| { | |
| "data": { | |
| "text/plain": [ | |
| "\n", | |
| "Call:\n", | |
| "lm(formula = children ~ electric + age + agesq + educ + urban + \n", | |
| " spirit + protest + catholic + electric_educ_7, data = fertil2_new)\n", | |
| "\n", | |
| "Residuals:\n", | |
| " Min 1Q Median 3Q Max \n", | |
| "-5.9411 -0.7018 -0.0090 0.7235 7.4540 \n", | |
| "\n", | |
| "Coefficients:\n", | |
| " Estimate Std. Error t value Pr(>|t|) \n", | |
| "(Intercept) -4.3599481 0.2457539 -17.741 < 2e-16 ***\n", | |
| "electric -0.2800405 0.0717451 -3.903 9.63e-05 ***\n", | |
| "age 0.3433507 0.0165560 20.739 < 2e-16 ***\n", | |
| "agesq -0.0027732 0.0002724 -10.182 < 2e-16 ***\n", | |
| "educ -0.0720929 0.0071844 -10.035 < 2e-16 ***\n", | |
| "urban -0.2096981 0.0468288 -4.478 7.73e-06 ***\n", | |
| "spirit 0.1353488 0.0559367 2.420 0.0156 * \n", | |
| "protest 0.0708878 0.0653010 1.086 0.2777 \n", | |
| "catholic 0.1158265 0.0834262 1.388 0.1651 \n", | |
| "electric_educ_7 -0.0215641 0.0164523 -1.311 0.1900 \n", | |
| "---\n", | |
| "Signif. codes: 0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1\n", | |
| "\n", | |
| "Residual standard error: 1.451 on 4348 degrees of freedom\n", | |
| " (3 observations deleted due to missingness)\n", | |
| "Multiple R-squared: 0.5742,\tAdjusted R-squared: 0.5733 \n", | |
| "F-statistic: 651.5 on 9 and 4348 DF, p-value: < 2.2e-16\n" | |
| ] | |
| }, | |
| "metadata": {}, | |
| "output_type": "display_data" | |
| } | |
| ], | |
| "source": [ | |
| "fertil2_new <- mutate(fertil2, educ_7 = (educ - 7)) %>% mutate(electric_educ_7 = electric * educ_7)\n", | |
| "fit3 <- lm(data = fertil2_new, children ~ electric + age + agesq + educ + urban + spirit + protest + catholic + electric_educ_7)\n", | |
| "summary(fit3)" | |
| ] | |
| } | |
| ], | |
| "metadata": { | |
| "kernelspec": { | |
| "display_name": "R", | |
| "language": "R", | |
| "name": "ir" | |
| }, | |
| "language_info": { | |
| "codemirror_mode": "r", | |
| "file_extension": ".r", | |
| "mimetype": "text/x-r-source", | |
| "name": "R", | |
| "pygments_lexer": "r", | |
| "version": "3.4.1" | |
| } | |
| }, | |
| "nbformat": 4, | |
| "nbformat_minor": 2 | |
| } |
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