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armish/Feather - Python.ipynb

Created March 30, 2016 18:02
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Feather rocks \o/
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Feather - Python.ipynb
{
"cells": [
{
"cell_type": "code",
"execution_count": 6,
"metadata": {
"collapsed": false
},
"outputs": [],
"source": [
"import pandas as pd\n",
"import feather\n",
"import numpy as np"
]
},
{
"cell_type": "code",
"execution_count": 7,
"metadata": {
"collapsed": false
},
"outputs": [
{
"data": {
"text/html": [
"<div>\n",
"<table border=\"1\" class=\"dataframe\">\n",
" <thead>\n",
" <tr style=\"text-align: right;\">\n",
" <th></th>\n",
" <th>am</th>\n",
" <th>carb</th>\n",
" <th>cyl</th>\n",
" <th>disp</th>\n",
" <th>drat</th>\n",
" <th>gear</th>\n",
" <th>hp</th>\n",
" <th>mpg</th>\n",
" <th>qsec</th>\n",
" <th>vs</th>\n",
" <th>wt</th>\n",
" </tr>\n",
" </thead>\n",
" <tbody>\n",
" <tr>\n",
" <th>count</th>\n",
" <td>32.000000</td>\n",
" <td>32.0000</td>\n",
" <td>32.000000</td>\n",
" <td>32.000000</td>\n",
" <td>32.000000</td>\n",
" <td>32.000000</td>\n",
" <td>32.000000</td>\n",
" <td>32.000000</td>\n",
" <td>32.000000</td>\n",
" <td>32.000000</td>\n",
" <td>32.000000</td>\n",
" </tr>\n",
" <tr>\n",
" <th>mean</th>\n",
" <td>0.406250</td>\n",
" <td>2.8125</td>\n",
" <td>6.187500</td>\n",
" <td>230.721875</td>\n",
" <td>3.596563</td>\n",
" <td>3.687500</td>\n",
" <td>146.687500</td>\n",
" <td>20.090625</td>\n",
" <td>17.848750</td>\n",
" <td>0.437500</td>\n",
" <td>3.217250</td>\n",
" </tr>\n",
" <tr>\n",
" <th>std</th>\n",
" <td>0.498991</td>\n",
" <td>1.6152</td>\n",
" <td>1.785922</td>\n",
" <td>123.938694</td>\n",
" <td>0.534679</td>\n",
" <td>0.737804</td>\n",
" <td>68.562868</td>\n",
" <td>6.026948</td>\n",
" <td>1.786943</td>\n",
" <td>0.504016</td>\n",
" <td>0.978457</td>\n",
" </tr>\n",
" <tr>\n",
" <th>min</th>\n",
" <td>0.000000</td>\n",
" <td>1.0000</td>\n",
" <td>4.000000</td>\n",
" <td>71.100000</td>\n",
" <td>2.760000</td>\n",
" <td>3.000000</td>\n",
" <td>52.000000</td>\n",
" <td>10.400000</td>\n",
" <td>14.500000</td>\n",
" <td>0.000000</td>\n",
" <td>1.513000</td>\n",
" </tr>\n",
" <tr>\n",
" <th>25%</th>\n",
" <td>0.000000</td>\n",
" <td>2.0000</td>\n",
" <td>4.000000</td>\n",
" <td>120.825000</td>\n",
" <td>3.080000</td>\n",
" <td>3.000000</td>\n",
" <td>96.500000</td>\n",
" <td>15.425000</td>\n",
" <td>16.892500</td>\n",
" <td>0.000000</td>\n",
" <td>2.581250</td>\n",
" </tr>\n",
" <tr>\n",
" <th>50%</th>\n",
" <td>0.000000</td>\n",
" <td>2.0000</td>\n",
" <td>6.000000</td>\n",
" <td>196.300000</td>\n",
" <td>3.695000</td>\n",
" <td>4.000000</td>\n",
" <td>123.000000</td>\n",
" <td>19.200000</td>\n",
" <td>17.710000</td>\n",
" <td>0.000000</td>\n",
" <td>3.325000</td>\n",
" </tr>\n",
" <tr>\n",
" <th>75%</th>\n",
" <td>1.000000</td>\n",
" <td>4.0000</td>\n",
" <td>8.000000</td>\n",
" <td>326.000000</td>\n",
" <td>3.920000</td>\n",
" <td>4.000000</td>\n",
" <td>180.000000</td>\n",
" <td>22.800000</td>\n",
" <td>18.900000</td>\n",
" <td>1.000000</td>\n",
" <td>3.610000</td>\n",
" </tr>\n",
" <tr>\n",
" <th>max</th>\n",
" <td>1.000000</td>\n",
" <td>8.0000</td>\n",
" <td>8.000000</td>\n",
" <td>472.000000</td>\n",
" <td>4.930000</td>\n",
" <td>5.000000</td>\n",
" <td>335.000000</td>\n",
" <td>33.900000</td>\n",
" <td>22.900000</td>\n",
" <td>1.000000</td>\n",
" <td>5.424000</td>\n",
" </tr>\n",
" </tbody>\n",
"</table>\n",
"</div>"
],
"text/plain": [
" am carb cyl disp drat gear \\\n",
"count 32.000000 32.0000 32.000000 32.000000 32.000000 32.000000 \n",
"mean 0.406250 2.8125 6.187500 230.721875 3.596563 3.687500 \n",
"std 0.498991 1.6152 1.785922 123.938694 0.534679 0.737804 \n",
"min 0.000000 1.0000 4.000000 71.100000 2.760000 3.000000 \n",
"25% 0.000000 2.0000 4.000000 120.825000 3.080000 3.000000 \n",
"50% 0.000000 2.0000 6.000000 196.300000 3.695000 4.000000 \n",
"75% 1.000000 4.0000 8.000000 326.000000 3.920000 4.000000 \n",
"max 1.000000 8.0000 8.000000 472.000000 4.930000 5.000000 \n",
"\n",
" hp mpg qsec vs wt \n",
"count 32.000000 32.000000 32.000000 32.000000 32.000000 \n",
"mean 146.687500 20.090625 17.848750 0.437500 3.217250 \n",
"std 68.562868 6.026948 1.786943 0.504016 0.978457 \n",
"min 52.000000 10.400000 14.500000 0.000000 1.513000 \n",
"25% 96.500000 15.425000 16.892500 0.000000 2.581250 \n",
"50% 123.000000 19.200000 17.710000 0.000000 3.325000 \n",
"75% 180.000000 22.800000 18.900000 1.000000 3.610000 \n",
"max 335.000000 33.900000 22.900000 1.000000 5.424000 "
]
},
"execution_count": 7,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"mtcars = feather.read_dataframe(\"/tmp/mtcars.feather\")\n",
"mtcars.describe()"
]
},
{
"cell_type": "code",
"execution_count": 8,
"metadata": {
"collapsed": true
},
"outputs": [],
"source": [
"feather.write_dataframe(mtcars, \"/tmp/mtcars_from_python.feather\")"
]
}
],
"metadata": {
"kernelspec": {
"display_name": "Python 2",
"language": "python",
"name": "python2"
},
"language_info": {
"codemirror_mode": {
"name": "ipython",
"version": 2
},
"file_extension": ".py",
"mimetype": "text/x-python",
"name": "python",
"nbconvert_exporter": "python",
"pygments_lexer": "ipython2",
"version": "2.7.11"
}
},
"nbformat": 4,
"nbformat_minor": 0
}
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Feather - R.ipynb
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