如何在dataframe中删除某行当某列值为nan时？

Question

just my luck 的值为nan时，删除Jack Matthews和Micheal Phillips这两行

Answer 1

两种方法：
1、删除just my luck为NaN的行

    indexs = list(df[np.isnan(df['just my luck'])].index)
    df = df.drop(indexs)

2、获取just my luck不为NaN的行

    df = df[np.isnan(df['just my luck']) == False]

Answer 2

df = df.dropna(subset=["just my luck"])