ปลั๊กอินสำหรับไพธอนลบ nan จากคอลัมน์

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ลบ nan จากรายการเป็นภาษาไพธอน

cleanedList = [x for x in countries if str(x) != 'nan']
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ทิ้งคอลัมน์กับ nan ค่า

fish_frame = fish_frame.dropna(axis = 1, how = 'all')

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