【Python】ParserError: Error tokenizing data. C error: Expected 13 fields in line 45, saw 23
https://blog.csdn.net/Asher117/article/details/89357932
TypeError: ufunc 'isnan' not supported for the input types, and the inputs could not be safely coerced to any supported types according to the casting rule ''safe''
機器學習訓練的時候報出這個問題
是因為dataframe中的數據類型有一個是‘object’，把它轉成int,或float 就行,如下
df['A'] = df['A‘].astype(int)