transform_sdf: transform a subset of column(s) in a Spark Dataframe

In sparklyr: R Interface to Apache Spark

transform a subset of column(s) in a Spark Dataframe

Description

transform a subset of column(s) in a Spark Dataframe

Usage

transform_sdf(x, cols, fn)

Arguments

x	An object coercible to a Spark DataFrame
cols	Subset of columns to apply transformation to
fn	Transformation function taking column name as the 1st parameter, the corresponding org.apache.spark.sql.Column object as the 2nd parameter, and returning a transformed org.apache.spark.sql.Column object

sparklyr documentation built on May 29, 2024, 2:58 a.m.