pandas isnull函数检查数据是否有缺失 pandas isnull sum with column headers
for col in main_df: print(sum(pd.isnull(data[col])))
I get a list of the null count for each column:
0 1 100
What I’m trying to do is create a new dataframe which has the column header alongside the null count, e.g.
col1 | 0 col2 | 1 col3 […]
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