count of each unique values pandas code example
Example 1: count unique pandas
df['column'].nunique()
Example 2: return count of unique values pandas
item_counts = df["Your_Column"].value_counts()
Example 3: pandas count the number of unique values in a column
df['hID'].nunique()
5
Example 4: 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
Example 5: python - count how many unique in a column
df['var_1'].nunique()
Example 6: Count unique values Pandas
df = df.groupby('domain')['ID'].nunique()