Count unique values Pandas code example

Example 1: count unique pandas

df['column'].nunique()

Example 2: 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}

Example 3: pandas unique values in column

#List unique values in the df['name'] column
df.name.unique()

Example 4: 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

Example 5: count unique values pandas

df['hID'].nunique()
5

Example 6: Count unique values Pandas

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