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ihsansatriawan / book_reco.py
Created March 21, 2016 06:34 — forked from mickaellegal/book_reco.py
Python: Blog Pearson correlation coefficient for book reviews
# Importing the libraries
from scipy.stats.stats import pearsonr
import pandas as pd
import numpy as np
import json
data = pd.read_csv("../../Downloads/data_books.csv", sep = ",", header=None,
names=['Reviewer', 'Book', 'Rating'])
# Picking 2 books
@ihsansatriawan
ihsansatriawan / rspec_model_testing_template.rb
Created November 23, 2015 07:54 — forked from PWSdelta/rspec_model_testing_template.rb
Rails Rspec model testing skeleton & cheat sheet using rspec-rails, shoulda-matchers, shoulda-callbacks, and factory_girl_rails. Pretty much a brain dump of examples of what you can (should?) test in a model. Pick & choose what you like, and please let me know if there are any errors or new/changed features out there. Reddit comment thread: http…
# This is a skeleton for testing models including examples of validations, callbacks,
# scopes, instance & class methods, associations, and more.
# Pick and choose what you want, as all models don't NEED to be tested at this depth.
#
# I'm always eager to hear new tips & suggestions as I'm still new to testing,
# so if you have any, please share!
#
# @kyletcarlson
#
# This skeleton also assumes you're using the following gems:
@ihsansatriawan
ihsansatriawan / date.sql
Last active August 29, 2015 14:06 — forked from johngrimes/date.sql
/* Adapted from Tom Cunningham's 'Data Warehousing with MySql' (www.meansandends.com/mysql-data-warehouse) */
###### small-numbers table
DROP TABLE IF EXISTS numbers_small;
CREATE TABLE numbers_small (number INT);
INSERT INTO numbers_small VALUES (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);
###### main numbers table
DROP TABLE IF EXISTS numbers;
CREATE TABLE numbers (number BIGINT);