get_rows_nunique

skrough.unique.get_rows_nunique(x: ndarray) → int

Compute the number of unique rows.

Compute the number of unique rows. Degenerated tables are handled accordingly, i.e., a table with no columns has 1 unique rows if only it has at least one row, otherwise it is 0.

Parameters:

x – Input data table.

Returns:

Number of unique rows.