[function] combine_features() - P3chys/textmining GitHub Wiki

3. Feature Combination and Analysis

Function: combine_features()

Purpose

Combines multiple feature matrices with optional weighting and standardization.

Syntax

combine_features(features_list, weights=None)

Parameters

Parameter	Type	Default	Description
features_list	list	Required	List of feature matrices
weights	list	None	Weights for each feature set

Returns

• numpy.ndarray: Combined and standardized feature matrix

Algorithm

1. Validates feature matrix dimensions
2. Converts sparse matrices to dense
3. Standardizes each feature set using StandardScaler
4. Applies weights and combines matrices

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