/// <summary>
/// Returns the <see cref="SchemaShape"/> of the schema which will be produced by the transformer.
/// Used for schema propagation and verification in a pipeline.
/// </summary>
public SchemaShape GetOutputSchema(SchemaShape inputSchema)
{
if (_toSomething != null)
{
return(_term.Append(_toSomething).GetOutputSchema(inputSchema));
}
else
{
return(_term.GetOutputSchema(inputSchema));
}
}
internal OneHotEncodingTransformer(ValueToKeyMappingEstimator term, IEstimator <ITransformer> toVector, IDataView input)
{
if (toVector != null)
{
_transformer = term.Append(toVector).Fit(input);
}
else
{
_transformer = new TransformerChain <ITransformer>(term.Fit(input));
}
}
