Answers for "count distinct with groupby mysql"

mysql group_concat distinct

SELECT GROUP_CONCAT(DISTINCT categories ORDER BY categories ASC SEPARATOR ' ') FROM table

Posted by: Guest on October-23-2020

pandas groupby column count distinct values

# Pandas group by a column looking at the count unique/count distinct values of another column

df.groupby('param')['group'].nunique()

Posted by: Guest on May-15-2020

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