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特征选择的一类方法。过滤式特征选择方法先对数据进行特征选择,然后再训练学习器,特征选择过程和后续学习器无关。这相当于先用特征选择过程对初始特征进行“过滤”,再用过滤后的特征来训练模型。
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laser photoacoustic spectroscopy
laser photoelectric picker
laser photography
laser photolysis
laserphotometer
laserphotometry
laser photothermal deflection spectrometry
laser photothermal detector
laser photothermal interference spectrometry
laser photothermal refraction spectrometry
laser photothermal spectrometry
laser physical mechanics
laser physics
laser plasma
laser plasma instabilities
laser plasma physics
laser pointer
laser polarization
laser positioning
laser power
laserpower
laser power meter
laser powermeter
laser precision length measurement
laser printer
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