Answers for "do a count of unique values in a dataframe columns with group by in python"

pandas groupby count unique rows

df = df.groupby(by='domain', as_index=False).agg({'ID': pd.Series.nunique})
print(df)
    domain  ID
0       fb   1
1      ggl   1
2  twitter   2
3       vk   3

Posted by: Guest on October-25-2020

how to count unique values in a column dataframe in python

dataframe.column.nunique()

Posted by: Guest on May-30-2020

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Answers for "do a count of unique values in a dataframe columns with group by in python"

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