classSelectColumns extends Transformer with Wrappable with DefaultParamsWritable
SelectColumns takes a dataframe and a list of columns to select as input and returns
a dataframe comprised of only those columns listed in the input list.
The columns to be selected is a list of column names
SelectColumns
takes a dataframe and a list of columns to select as input and returns a dataframe comprised of only those columns listed in the input list.The columns to be selected is a list of column names