/// <summary>
/// Create a prediction engine for one-time prediction.
/// It's mainly used in conjunction with <see cref="Load(Stream, out DataViewSchema)"/>,
/// where input schema is extracted during loading the model.
/// </summary>
/// <typeparam name="TSrc">The class that defines the input data.</typeparam>
/// <typeparam name="TDst">The class that defines the output data.</typeparam>
/// <param name="transformer">The transformer to use for prediction.</param>
/// <param name="inputSchema">Input schema.</param>
public PredictionEngine <TSrc, TDst> CreatePredictionEngine <TSrc, TDst>(ITransformer transformer, DataViewSchema inputSchema)
where TSrc : class
where TDst : class, new()
{
return(transformer.CreatePredictionEngine <TSrc, TDst>(_env, false,
DataViewConstructionUtils.GetSchemaDefinition <TSrc>(_env, inputSchema)));
}