mrahul17’s gists

mrahul17 / clean.py

Last active January 24, 2016 07:57

Pandas utility scripts

	#check if na values exist at all
	df.isnull().any().any()
	#if above returns true for any series
	df.isnull().any()

	#check for NA values
	data.isnull().sum()

	#replace NA values
	# for real values

mrahul17 / ml.py

Last active January 23, 2016 16:14

scikit-learn utility scripts

	# train-test split
	from sklearn.cross_validation import train_test_split
	X_train, X_test, y_train, y_test = train_test_split(X, y, test_size=0.4)

	#get accuracy score
	print metrics.accuracy_score(y,predict_y)

	#get optimum value of k in knn
	k_range = range(1,26)
	scores = []

mrahul17 / label_encode.py

Created February 5, 2016 04:47

Label encoder

	def clean_data(train,test):
	obj_cols = [] #list to store columns that have been read as objects
	for col in train.columns:
	if train[col].dtype==object:
	obj_cols.append(col)
	preprocessor = preprocessing.LabelEncoder()

	for col in obj_cols:
	preprocessor.fit(list(train[col].values) + list(test[col].values))
	train[col] = preprocessor.transform(list(train[col].values))

mrahul17 / fimp_xgboost.py

Last active May 31, 2017 22:20

Feature importance in XGBoost

	# credits @mmueller https://www.kaggle.com/mmueller/liberty-mutual-group-property-inspection-prediction/xgb-feature-importance-python/code
	import pandas as pd
	import xgboost as xgb
	import operator
	from matplotlib import pylab as plt

	def ceate_feature_map(features):
	outfile = open('xgb.fmap', 'w')
	i = 0
	for feat in features:

mrahul17 / samples.txt

Last active February 16, 2016 05:05

Code that I have to read

	https://github.com/Far0n/kaggle-homesite/blob/master/top15_homesite_xgb.py
	https://github.com/matefh/kaggle-homesite/blob/master/model.r

mrahul17 / binary-search-tree-cpp.cpp

Created March 9, 2016 14:02 — forked from mgechev/binary-search-tree-cpp.cpp

Simple implementation of binary search tree in C++.

mrahul17 / encrypting.txt

Last active April 15, 2017 09:45

Encrypting Files in Linux

	#Taken from
	#http://askubuntu.com/questions/160253/encrypting-decrypting-a-single-file-in-ubuntu-12-04-lts/160334

	Encrypt--> openssl des3 < youfile.txt > yourfile.txt.des3
	Decrypt--> openssl des3 -d < yourfile.txt.des3 > yourfile.txt.decrypted

	#http://stackoverflow.com/questions/16056135/how-to-use-openssl-to-encrypt-decrypt-files?noredirect=1&lq=1
	Encrypt --> gpg --output encrypted.data --symmetric --cipher-algo AES256 un_encrypted.data
	Decrypt --> gpg --output un_encrypted.data --decrypt encrypted.data

mrahul17 / installer.sh

Last active March 26, 2016 15:48

bash script to install all packages I had on my previous machine

	#! /bin/sh

	sudo add-apt-repository ppa:kilian/f.lux
	sudo add-apt-repository ppa:gnome-terminator
	sudo apt-get update

	# install dropbox
	cd ~ && wget -O - "https://www.dropbox.com/download?plat=lnx.x86_64" \| tar xzf -
	~/.dropbox-dist/dropboxd

mrahul17 / configs.txt

Last active April 30, 2016 01:59

List of config files that I am modifying

mrahul17 / redshift.conf

Last active April 1, 2016 04:49 — forked from bcomnes/redshift.conf

My configuration file for Redshift. Place it in ~/.config/ Drag redshift onto the Startup Applications menu to have it boot on start

	; Global settings
	[redshift]
	temp-day=6500K
	temp-night=5000
	transition=1
	;gamma=0.8:0.7:0.8
	gamma=1.000:1.000:1.000
	;location-provider=geoclue (no more internet connection required!!)
	location-provider=manual
	adjustment-method=vidmode

Rahul Mishra mrahul17