bigframes.pandas.DataFrame.nunique#

DataFrame.nunique() → Series[source]#

Count number of distinct elements in each column.

Examples:

>>> df = bpd.DataFrame({"A": [3, 1, 2], "B": [1, 2, 2]})
>>> df
    A       B
0   3       1
1   1       2
2   2       2

[3 rows x 2 columns]

>>> df.nunique()
A    3
B    2
dtype: Int64

Returns:

Series with number of distinct elements.

Return type:

bigframes.pandas.Series