bigframes.pandas.Index.nunique#

Index.nunique() → int[source]#

Return number of unique elements in the object.

Excludes NA values by default.

Examples:

>>> s = bpd.Series([1, 3, 5, 7, 7])
>>> s
0    1
1    3
2    5
3    7
4    7
dtype: Int64

>>> int(s.nunique())
4

Returns:

Number of unique elements

Return type:

int