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How to count unique values in a column dataframe in python

How to count number of unique values in a column python

pd.value_counts(df.Account_Type)

Gold        3
Platinum    1
Name: Account_Type, dtype: int64

Source: stackoverflow.com

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

Source: stackoverflow.com

Pandas count rows with value

len(df[df['score'] == 1.0])

Source: morphocode.com

How to count unique values in a column dataframe in python

dataframe.column.nunique()

Source: thispointer.com

How to get a row of a dataframe with subset columns in python

df.iloc[1:3, 5:7]

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