Spark Category to Number

Maps nominal column to double columns.

Options

Mapping type
The mapping type to use.
  • Column: Uses a separate dictionary for each column
  • Global: Uses a global dictionary for all columns
  • Binary: Converts the selected columns into binary vectors by generating a new column for each unique column value.
Keep original columns
Select this option to keep the original columns otherwise all selected columns to convert are removed from the output table.
Columns to convert
The columns to convert

Input Ports

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Input Spark DataFrame/RDD.

Output Ports

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Mapped input Spark DataFrame/RDD
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PMML mapping dictionary

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