FunctionalTableTransformer

Wraps a callable so that it conforms to the TableTransformer interface.

Parent type: TableTransformer

Parameters:

Name	Type	Description	Default
transformer	(table: Table) -> (transformedTable: Table)	A callable that receives a table and returns a table.	-

Stub code in FunctionalTableTransformer.sdsstub

class FunctionalTableTransformer(
    transformer: (table: Table) -> transformedTable: Table
) sub TableTransformer {
    /**
     * **Note:** For FunctionalTableTransformer this is a no-OP.
     *
     * @param table Required only to be consistent with other transformers.
     *
     * @result fittedTransformer Returns self, because this transformer is always fitted.
     */
    @Pure
    @Category(DataScienceCategory.DataProcessingQTransformer)
    fun fit(
        table: Table
    ) -> fittedTransformer: FunctionalTableTransformer

    /**
     * **Note:** For the FunctionalTableTransformer this is the same as transform().
     *
     * @param table The table on which the callable is to be executed.
     *
     * @result fittedTransformer Return self because the transformer is always fitted.
     * @result transformedTable The transformed table.
     */
    @Pure
    @PythonName("fit_and_transform")
    @Category(DataScienceCategory.DataProcessingQTransformer)
    fun fitAndTransform(
        table: Table
    ) -> (fittedTransformer: FunctionalTableTransformer, transformedTable: Table)
}

isFitted

Whether the transformer is fitted.

Type: Boolean

fit

Note: For FunctionalTableTransformer this is a no-OP.

Parameters:

Name	Type	Description	Default
table	Table	Required only to be consistent with other transformers.	-

Results:

Name	Type	Description
fittedTransformer	FunctionalTableTransformer	Returns self, because this transformer is always fitted.

Stub code in FunctionalTableTransformer.sdsstub

@Pure
@Category(DataScienceCategory.DataProcessingQTransformer)
fun fit(
    table: Table
) -> fittedTransformer: FunctionalTableTransformer

fitAndTransform

Note: For the FunctionalTableTransformer this is the same as transform().

Parameters:

Name	Type	Description	Default
table	Table	The table on which the callable is to be executed.	-

Results:

Name	Type	Description
fittedTransformer	FunctionalTableTransformer	Return self because the transformer is always fitted.
transformedTable	Table	The transformed table.

Stub code in FunctionalTableTransformer.sdsstub

@Pure
@PythonName("fit_and_transform")
@Category(DataScienceCategory.DataProcessingQTransformer)
fun fitAndTransform(
    table: Table
) -> (fittedTransformer: FunctionalTableTransformer, transformedTable: Table)

transform

Apply the learned transformation to a table.

Note: The given table is not modified.

Parameters:

Name	Type	Description	Default
table	Table	The table to which the learned transformation is applied.	-

Results:

Name	Type	Description
transformedTable	Table	The transformed table.

Stub code in TableTransformer.sdsstub

@Pure
fun transform(
    table: Table
) -> transformedTable: Table