DataFrame¶

DataFrame is a Python class with PandasMapOpsMixin and PandasConversionMixin mixins.

DataFrame lives in pyspark.sql.dataframe module (together with DataFrameNaFunctions and DataFrameStatFunctions).

from pyspark.sql.dataframe import DataFrame

Creating Instance¶

DataFrame takes the following to be created:

• jdf
• SQLContext

groupBy¶

groupBy(self, *cols)

groupBy requests the _jdf to groupBy and creates a GroupedData with it.