public ClustererClassifier(string modelFile, double learningRate)
     : base(SimpleLinearClassifier.Risk(), SimpleLinearClassifier.Constant(learningRate), 0, modelFile)
 {
 }
 public ClustererClassifier(double learningRate)
     : base(SimpleLinearClassifier.Risk(), SimpleLinearClassifier.Constant(learningRate), 0)
 {
 }