我使用 preprocessing.scale astype('float64') 将特征标准化为 mean=0 和 sd=1。我收到以下警告:
用户警告:将数据居中时遇到数值问题,可能无法解决。数据集可能包含太大的值。您可能需要预先缩放您的功能。warnings.warn("遇到数值问题"
这是数据集的示例:
col1 col2 col3 col4 col5 col6 col7 col8 col9 col10 col11 col12 col13
0 327 143.04 123.66 101.71 89.36575914 0.668110013 84.13713837 588.103818 633.6584113 525.5505746 132.966095 13.05099964 131.7220566
1 1010 188.98 176.78 137.33 89.36575914 0.620949984 40.52060699 1413.802012 3705.255352 1641.459378 106.3353716 7.69299984 472.4249759
2 1485 166.67 141.72 111.07 98.91169739 0.979290009 100 3580.441388 4327.644518 3242.16829 111.2140427 13.05300045 1164.119187
3 78 54.27 83.01 161.74 95.0061264 0.968744297 100 35644.07894 37765.71684 15667.95157 106.3043671 7.448999882 850.651571
4 591 …Run Code Online (Sandbox Code Playgroud)