Answers for "count unique column values pandas"

Python

return count of unique values pandas

#TO count repetition of each unique values(to find How many times the same-
# unique value is appearing in the data)

item_counts = df["Your_Column"].value_counts()
#Returns Dictionary => {"Value_name" : number_of_appearences}

Posted by: Guest on November-18-2020

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

Source

dataframe unique values in each column

for col in df:
    print(df[col].unique())

Posted by: Guest on August-20-2020

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