Answers for "count unique rows pandas"

count unique pandas

df['column'].nunique()

Posted by: Guest on March-12-2020

values of unique from dataframe with count

data = df.groupby('ColumnName')['IDColumnName'].nunique()
print(data)

Posted by: Guest on November-07-2020

pandas count distinct values in column

#column name ISSDTM
pd.to_datetime(df.ISSDTM, errors='coerce').dt.year

#result
0    2013
1    2013
2    2009
3    2009
Name: ISSDTM, dtype: int64

Posted by: Guest on May-01-2021

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