a0d5162fb500d43f4be26fd402271fc888397464,Orange/preprocess/normalize.py,Normalizer,normalize_by_sd,#Normalizer#Any#Any#,39

Before Change

        avg, sd = dist.mean(), dist.standard_deviation()
        if sd == 0:
            sd = 1
        new_var.compute_value = Norm(var, avg, 1 / sd)
        return new_var

    def normalize_by_span(self, dist, var):
        new_var = ContinuousVariable(var.name)

After Change

        avg, sd = dist.mean(), dist.standard_deviation()
        if sd == 0:
            sd = 1
        return ContinuousVariable(var.name, compute_value=Norm(var, avg, 1 / sd))

    def normalize_by_span(self, dist, var):
        dma, dmi = dist.max(), dist.min()
        diff = dma - dmi

Instances