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Part.30_Dimensionality_Reduction(ML_Andrew.Ng.)

Last updated Nov 11, 2021 Edit Source

# Dimensionality Reduction - 降维

2021-11-11

Tags: #MachineLearning #DimensionalityReduction

# Motivation

# Data Compression

将数据维数减少后, 可以节约存储数据的空间

# Visualization

高维数据降维后才能可视化, 而可视化有助于我们理解高维数据的内在含义.

# Principal Component Analysis

Part.31_Principal_Component_Analysis(ML_Andrew.Ng.)