public void OVAWithExplicitCalibrator()
{
var(pipeline, data) = GetMultiClassPipeline();
var calibrator = new PavCalibratorTrainer(Env);
var sdcaTrainer = new LinearClassificationTrainer(Env, new LinearClassificationTrainer.Arguments {
MaxIterations = 100, Shuffle = true, NumThreads = 1
}, "Features", "Label");
pipeline.Append(new Ova(Env, sdcaTrainer, "Label", calibrator: calibrator, maxCalibrationExamples: 990000))
.Append(new KeyToValueEstimator(Env, "PredictedLabel"));
TestEstimatorCore(pipeline, data);
Done();
}
public void OVAWithExplicitCalibrator()
{
var dataPath = GetDataPath(IrisDataPath);
using (var env = new TlcEnvironment())
{
var calibrator = new PavCalibratorTrainer(env);
var data = new TextLoader(env, GetIrisLoaderArgs()).Read(new MultiFileSource(dataPath));
var sdcaTrainer = new LinearClassificationTrainer(env, new LinearClassificationTrainer.Arguments {
MaxIterations = 100, Shuffle = true, NumThreads = 1
}, "Features", "Label");
var pipeline = new TermEstimator(env, "Label")
.Append(new Ova(env, sdcaTrainer, "Label", calibrator: calibrator, maxCalibrationExamples: 990000))
.Append(new KeyToValueEstimator(env, "PredictedLabel"));
TestEstimatorCore(pipeline, data);
}
}