Tapendra Baduwal

Machine Learning,Computer Vision,Natural Language Processing.

less than 1 minute read

Techniques Present in Feature Transformation:

Categorical features encoding,Mathematical transformation,Feature Scaling,Feature Selection.

Types of categorical features encoding:

(a) One-Hot Encoding,(b)Label/Ordinal Encoding

Mathematical transformation

(a)Logarithmic transformation,(b)Reciprocal transformation,(c)Square transformation,(d)Box-Cox transformation,(e)Yeo-Johnson transformation

Feature Scaling

(a)Normalization(Min-Max Scaling),(b)Standardization,(c)RobustScaler Scaling

Feature Selection

(a)Pearson’s Correlation Coefficient matrix, (b)Chi-square Test

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