Answers for "count number of unique values in pandas"

count unique pandas

df['column'].nunique()

Posted by: Guest on March-12-2020

get count of unique values in column pandas

df = df.groupby('domain')['ID'].nunique()

print (df)
domain
'facebook.com'    1
'google.com'      1
'twitter.com'     2
'vk.com'          3
Name: ID, dtype: int64

Posted by: Guest on May-28-2020

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