ft_string_indexer
,
ft_index_to_string
maps a column of label indices back to a
column containing the original labels as strings.
ft_index_to_string(x, input_col = NULL, output_col = NULL)
spark_tbl
) coercable to a Spark DataFrame.Other feature transformation routines: ft_binarizer
,
ft_bucketizer
,
ft_discrete_cosine_transform
,
ft_elementwise_product
,
ft_one_hot_encoder
,
ft_quantile_discretizer
,
ft_sql_transformer
,
ft_string_indexer
,
ft_vector_assembler
,
sdf_mutate