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TransformExtensionsCatalog Class

Definition

Collection of extension methods for TransformsCatalog to create instances of transform components that manipulate columns.

C#
public static class TransformExtensionsCatalog
Inheritance
TransformExtensionsCatalog

Methods

Concatenate(TransformsCatalog, String, String[])

Create a ColumnConcatenatingEstimator, which concatenates one or more input columns into a new output column.

CopyColumns(TransformsCatalog, String, String)

Create a ColumnCopyingEstimator, which copies the data from the column specified in inputColumnName to a new column: outputColumnName.

DropColumns(TransformsCatalog, String[])

Create a ColumnSelectingEstimator, which drops a given list of columns from an IDataView. Any column not specified will be maintained in the output.

SelectColumns(TransformsCatalog, String[], Boolean)

Create a ColumnSelectingEstimator, which keeps a given list of columns in an IDataView and drops the others.

SelectColumns(TransformsCatalog, String[])

Create a ColumnSelectingEstimator, which keeps a given list of columns in an IDataView and drops the others.

Applies to

Product Versions
ML.NET 1.0.0, 1.1.0, 1.2.0, 1.3.1, 1.4.0, 1.5.0, 1.6.0, 1.7.0, 2.0.0, 3.0.0, Preview, 4.0.0