public static TSample ApplyMask <TSample, TObj, TMark>(TSample src, SampleMaskDelegate <TObj, TMark> mask)
where TSample : MarkedSample <TObj, TMark>, new()
{
if (src == null)
{
throw new MLException("Source sample is null");
}
if (mask == null)
{
return(src);
}
var result = new TSample();
int counter = -1;
foreach (var item in src)
{
counter++;
if (mask(item.Key, item.Value, counter))
{
result[item.Key] = item.Value;
}
}
return(result);
}
public MaskHandle(AlgorithmBase <TObj> algorithm, SampleMaskDelegate mask)
{
if (algorithm == null)
{
throw new MLException("MaskHandle.ctor(algorithm=null)");
}
m_Algorithm = algorithm;
m_Mask = mask ?? ALL;
}
public MaskHandle ApplySampleMask(SampleMaskDelegate mask)
{
m_MaskHandle = new MaskHandle(this, mask);
return(m_MaskHandle);
}
/// <summary>
/// Apply mask to the sample
/// </summary>
public RegressionSample <TObj> ApplyMask(SampleMaskDelegate <TObj, double> mask)
{
return(GeneralUtils.ApplyMask <RegressionSample <TObj>, TObj, double>(this, mask));
}
/// <summary>
/// Apply mask to the sample
/// </summary>
public ClassifiedSample <TObj> ApplyMask(SampleMaskDelegate <TObj, Class> mask)
{
return(GeneralUtils.ApplyMask <ClassifiedSample <TObj>, TObj, Class>(this, mask));
}