- For Features - One Hot Encoding, Label Encoding, Frequency Encoding, Ranking, MinMaxScaler, StandardScaler
- For Dates - Periodicity - Year, Date, Week, Time Slice - Time past since particular moment (before / after), Difference in Dates (Datetime_feature1 - Datetime_feature2), Boolean binary indicating date is holiday or not
- For Text - Preprocessing - Lowercase, Stemming, Lemmatization, stopwords removal, Ngrams can help use local context, Postprocessing - TFiDF, Use BOW for Ngrams
October 29, 2017
Day #77 - Quick Summary - Kaggle Lessons - Features, Dates, Text
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