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transform_sdf

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

R Interface to Apache Spark

v1.6.2
Apache License 2.0 | file LICENSE
Authors
Javier Luraschi [aut], Kevin Kuo [aut] (<https://orcid.org/0000-0001-7803-7901>), Kevin Ushey [aut], JJ Allaire [aut], Samuel Macedo [ctb], Hossein Falaki [aut], Lu Wang [aut], Andy Zhang [aut], Yitao Li [aut, cre] (<https://orcid.org/0000-0002-1261-905X>), Jozef Hajnala [ctb], Maciej Szymkiewicz [ctb] (<https://orcid.org/0000-0003-1469-9396>), Wil Davis [ctb], RStudio [cph], The Apache Software Foundation [aut, cph]
Initial release

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