chaityacshah’s gists

chaityacshah / Linear_Regression_Python

Created July 1, 2018 19:27 — forked from aswalin/Linear_Regression_Python

Understanding the difference between R_squared and Adjusted R_squared

	import numpy as np
	import pandas as pd
	from sklearn import datasets, linear_model

	def metrics(m,X,y):
	yhat = m.predict(X)
	print(yhat)
	SS_Residual = sum((y-yhat)**2)
	SS_Total = sum((y-np.mean(y))**2)
	r_squared = 1 - (float(SS_Residual))/SS_Total

chaityacshah / safari-open-pages.py

Last active June 29, 2018 20:04 — forked from aleks-mariusz/safari-open-pages.py

This script fetches the current open tabs in all Safari windows. Useful to run remotely on your mac when you are at work and want to read a page you have open (remotely) at home but don't remember the url but can log in to your home system on the command line

	#!/usr/bin/python
	#
	# This script fetches the current open tabs in all Safari windows.
	# Useful to run remotely on your mac when you are at work and want
	# to read a page you have open (remotely) at home but don't remember
	# the url but can log in to your home system on the cmmand line
	#

	import sys
	from pprint import pprint

chaityacshah / pymac.md

Last active June 11, 2018 13:44

Python and Mac!

Python packages are installed in /Library/Python/2.7/site-packages by default.
To find the path programmatically,

from distutils.sysconfig import get_python_lib
print(get_python_lib())

Output:

/opt/anaconda/anaconda/lib/python3.5/site-packages

chaityacshah / pycharm.md

Created May 28, 2018 18:42

Resetting pycharm settings on macOS

rm -rf ~/Library/Preferences/<PRODUCT><VERSION>/
rm -rf ~/Library/Caches/<PRODUCT><VERSION>/
rm -rf ~/Library/Application\ Support/PyCharmCE2018.1/
rm -rf ~/Library/Logs/PyCharmCE2018.1/

chaityacshah / GitHub.md

Last active August 18, 2018 18:27

How can I remove a commit on GitHub?

git log  
git reset --hard ef2ef39d3c2842dd027b42fd96d7b3bc1db6e59d  
git push --force

2: git push -f origin HEAD^:master
3: git push origin +7f6d03:master

chaityacshah / tools.py

Created March 11, 2018 04:19

	import os, glob

	#prints all fies ending in .pdf
	os.chdir("~")
	for file in glob.glob("*.pdf"):
	print(file)

chaityacshah / git_newrepo

Created September 28, 2017 04:17 — forked from c0ldlimit/git_newrepo

Git: Push a new or existing repo to Github

	# Create a new repository on the command line

	touch README.md
	git init
	git add README.md
	git commit -m "first commit"
	git remote add origin https://github.com/c0ldlimit/vimcolors.git
	git push -u origin master

	# Push an existing repository from the command line

chaityacshah / cleaning_data.R

Created September 27, 2017 14:07 — forked from t-redactyl/cleaning_data.R

Code associate with blog post

	mtcars$am.f <- as.factor(mtcars$am); levels(mtcars$am.f) <- c("Automatic", "Manual")
	mtcars$cyl.f <- as.factor(mtcars$cyl); levels(mtcars$cyl.f) <- c("4 cyl", "6 cyl", "8 cyl")
	mtcars$vs.f <- as.factor(mtcars$vs); levels(mtcars$vs.f) <- c("V engine", "Straight engine")
	mtcars$gear.f <- as.factor(mtcars$gear); levels(mtcars$gear.f) <- c("3 gears", "4 gears", "5 gears")
	mtcars$carb.f <- as.factor(mtcars$carb)

chaityacshah / centred_chart.R

Created September 27, 2017 14:07 — forked from t-redactyl/centred_chart.R

Code associated with blog post

	library(ggplot2); library(gridExtra)
	g1 <- ggplot(data=mtcars, aes(x=wt, y=mpg)) +
	geom_point(alpha = 0.7, colour = "#0971B2") +
	ylab("Miles per gallon") +
	ylim(10, 35) +
	xlab("Weight (`000 lbs)") +
	ggtitle("Untransformed Weight") +
	geom_vline(xintercept = 0) +
	theme_bw()

chaityacshah / av_peds_2.R

Created September 27, 2017 14:05 — forked from t-redactyl/av_peds_2.R

Code associated with blog post: http://t-redactyl.github.io/blog/2015/10/avoiding-the-crowds-in-melbourne-cbd-using-data.html

	av_peds_2 <- ddply(p.subset, c("date", "collapsed_sensors_2"), summarise,
	n_peds = sum(Hourly_Counts))

	# Extract weekday versus weekend
	av_peds_2$day <- weekdays(av_peds_2$date, abbreviate = FALSE)
	av_peds_2$weekend <- ifelse((av_peds_2$day == "Saturday" \| av_peds_2$day == "Sunday"),
	"Weekend", "Weekday")
	av_peds_2$weekend <- as.factor(av_peds_2$weekend)

	# Extract time of day

Chaitya Shah chaityacshah