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Note: df= df(change to be made).copy() to apply the change. Dev and Val are the same type of data sets.

key = {df =’dataframe’, pd = ‘pandas’, np =‘numpy’, plt =‘matplot’, sns='seaborn'}

Feature Engineering Automation

Miscellaneous

Train test split

NaN and duplicates

Imbalanced Data

Add and Remove

Groupby

Apply functions

Combine

Indexes

Transform DF

Dummies

Feature-Engine

Encode, Normalize, Scale, and Standardize

Prepare Sequences with Varied Lengths

Data Skew