IndexString

Maps a column of indices back to a new column of corresponding string values. The index-string mapping is either from the ML attributes of the input column, or from user-supplied labels

Type

ml-transformer

Class

fire.nodes.ml.NodeIndexString

Fields

Name	Title	Description
inputCol	Input Column	Column containing label indices
outputCol	Output Column	Output column name

Details

This node maps a column of indices back to a new column of corresponding string values. The index-string mapping is either from the ML attributes of the input column, or from user-supplied labels

More at Spark MLlib/ML docs page : http://spark.apache.org/docs/latest/ml-features.html#indextostring