count unique values in dataframe code example
Example 1: count unique pandas
df['column'].nunique()Example 2: pandas count distinct values in a column
Series.value_counts(self, normalize=False, sort=True, ascending=False, bins=None, dropna=True)df['column'].nunique()Series.value_counts(self, normalize=False, sort=True, ascending=False, bins=None, dropna=True)