/// <summary>
/// Convert the key types back to binary verctor.
/// </summary>
/// <param name="catalog">The categorical transform's catalog.</param>
/// <param name="inputColumn">The name of the input column of the transformation.</param>
/// <param name="outputColumn">The name of the column produced by the transformation.</param>
/// <returns></returns>
public static KeyToBinaryVectorMappingEstimator MapKeyToBinaryVector(this TransformsCatalog.CategoricalTransforms catalog,
string inputColumn,
string outputColumn = null)
=> new KeyToBinaryVectorMappingEstimator(CatalogUtils.GetEnvironment(catalog), inputColumn, outputColumn);
/// <summary>
/// Convert the key types back to binary verctor.
/// </summary>
/// <param name="catalog">The categorical transform's catalog.</param>
/// <param name="columns">The input column.</param>
/// <returns></returns>
public static KeyToBinaryVectorMappingEstimator MapKeyToBinaryVector(this TransformsCatalog.CategoricalTransforms catalog,
params KeyToBinaryVectorTransform.ColumnInfo[] columns)
=> new KeyToBinaryVectorMappingEstimator(CatalogUtils.GetEnvironment(catalog), columns);
