控制台打印时显示的2位小数:
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pd.set_option( 'precision' , 2 ) |
实际修改数据精度:
官例:http://pandas.pydata.org/pandas-docs/stable/generated/pandas.DataFrame.round.html
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>>> df = pd.DataFrame(np.random.random([ 3 , 3 ]), ... columns = [ 'A' , 'B' , 'C' ], index = [ 'first' , 'second' , 'third' ]) >>> df A B C first 0.028208 0.992815 0.173891 second 0.038683 0.645646 0.577595 third 0.877076 0.149370 0.491027 >>> df. round ( 2 ) A B C first 0.03 0.99 0.17 second 0.04 0.65 0.58 third 0.88 0.15 0.49 >>> df. round ({ 'A' : 1 , 'C' : 2 }) A B C first 0.0 0.992815 0.17 second 0.0 0.645646 0.58 third 0.9 0.149370 0.49 >>> decimals = pd.Series([ 1 , 0 , 2 ], index = [ 'A' , 'B' , 'C' ]) >>> df. round (decimals) A B C first 0.0 1 0.17 second 0.0 1 0.58 third 0.9 0 0.49 |
以上这篇pandas 小数位数 精度的处理方法就是小编分享给大家的全部内容了,希望能给大家一个参考,也希望大家多多支持服务器之家。
原文链接:https://blog.csdn.net/baixiaozhe/article/details/54616041