starbucks_post_2.py

'''Cleaning the *Portfolio* dataset'''
# Dummy-fy channel attributes
portfolio_channels = portfolio['channels'].apply(lambda x: ' '.join(x)).str.get_dummies(' ');
portfolio_channels.columns = ['channel_' + col for col in portfolio_channels.columns];

# Dummy-fy offer type attributes
portfolio_offertype = portfolio['offer_type'].str.get_dummies()
portfolio_offertype.columns = ['offer_' + col for col in portfolio_offertype.columns];

# Add dummy columns and drop existing
portfolio = pd.concat([portfolio, portfolio_channels, portfolio_offertype], axis=1);
portfolio = portfolio.drop(['channels', 'offer_type'], axis=1);