Answers for "pandas column unique values count"

12

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
8

count unique pandas

df['column'].nunique()
Posted by: Guest on March-12-2020
4

unique values in dataframe column count

df.groupby('mID').agg(['count', 'size', 'nunique']).stack()


             dID  hID  uID
mID                       
A   count      5    5    5
    size       5    5    5
    nunique    3    5    5
B   count      2    2    2
    size       2    2    2
    nunique    2    2    2
C   count      1    1    1
    size       1    1    1
    nunique    1    1    1
Posted by: Guest on August-20-2020
1

count unique pandas

df.nunique()
Posted by: Guest on March-12-2020
0

dataframe python unique values rows

# get the unique values (rows)
df.drop_duplicates()
Posted by: Guest on June-03-2020
0

python - count how many unique in a column

df['var_1'].nunique()   # How many unque values are present in a variable
Posted by: Guest on November-30-2020

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