Data Normalization — Free Data Mining Tutorial
Learn Data Normalization in Data Mining with a free, beginner-friendly tutorial, examples and practice for Indian students on Syllab.in.
TL;DR: Learn Data Normalization in Data Mining with a free, beginner-friendly tutorial, examples and practice for Indian students on Syllab.in.
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Data Normalization in Data Mining
Normalization rescales features to a fixed range, typically [0, 1]. This is important when features have different scales, as it prevents features with larger ranges from dominating.
Min-Max normalization (scaling) and Z-score normalization are common techniques. Min-Max is useful when you know the bounds of the data, while Z-score is useful for unbounded data.
Normalized data improves the convergence of gradient-based algorithms and makes distance-based algorithms more fair across features.
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