Pandas ตรวจสอบว่า numeric

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วิธีตรวจดูว่าแถวบรรจุเป็นค่าตัวเลขหรือไม่ได้อยู่ใน df

>>> df.A.str.isnumeric()
0     True
1      NaN
2      NaN
3     True
4      NaN
5     True
6    False
7    False
Name: A, dtype: object

# df.B.str.isnumeric()

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