nxcals.api.extraction.data.builders.DataFrame.count

DataFrame.count() → int

Returns the number of rows in this DataFrame.

New in version 1.3.0.

Changed in version 3.4.0: Supports Spark Connect.

Returns:

Number of rows.

Return type:

int

Examples

>>> df = spark.createDataFrame(
...     [(14, "Tom"), (23, "Alice"), (16, "Bob")], ["age", "name"])

Return the number of rows in the DataFrame.

>>> df.count()
3