已解决sys:1: FutureWarning: Could not cast to float64, falling back to object. This behavior is depreca
已解决(DataFrame创建时设置dtype类型为float报错)sys:1: FutureWarning: Could not cast to float64, falling back to object. This behavior is deprecated. In a future version, when a dtype is passed to ‘DataFrame’, either all columns will be cast to that dtype, or a TypeError will be raised
报错代码
粉丝群里面的一个小伙伴用pandas创建DataFrame,但是还是发生了报错(当时他心里瞬间凉了一大截,跑来找我求助,然后顺利帮助他解决了,顺便记录一下希望可以帮助到更多遇到这个bug不会解决的小伙伴),报错代码如下::
import pandas as pd
data = [['小明', 20], ['小红', 10]]
df = pd.DataFrame(data, columns=['name', 'age'], dtype=float)
print(df)
报错信息截图如下:
报错翻译
报错信息翻译如下:
系统:未来警告 无法强制转换为float64,正在回退到对象。此行为已弃用。在将来的版本中,当将数据类型传递给“DataFrame”时,所有列都将被强制转换为该数据类型,或引发TypeError
报错原因
报错原因:
创建DataFrame对象的时候写了参数:dtype=float
,但是data中还有汉字,而在未来的版本中当将数据类型传递给“DataFrame”时,所有列都将被强制转换为该数据类型,或引发类型错误(汉字没法转化成float类型)
解决方法
去掉dtype=float
,再次运行:
以上是此问题报错原因的解决方法,欢迎评论区留言讨论是否能解决,如果有用欢迎点赞收藏文章谢谢支持,博主才有动力持续记录遇到的问题!!!
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