Description: This includes parallel coordinates, principal component analysis, draw 3 y, under the 3 d coordinate mapping and spectrogram several code.
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File list (Check if you may need any files):
yuandaima\三维坐标下作图.txt
.........\主元分析法例子代码.txt
.........\平行坐标图例子代码.txt
.........\波谱图代码.txt
.........\画3y轴的图形代码.txt
yuandaima