nltk.FreqDist.r_Nr¶

FreqDist.r_Nr(bins=None)[source]¶

Return the dictionary mapping r to Nr, the number of samples with frequency r, where Nr > 0.

Parameters:	bins (int) – The number of possible sample outcomes. bins is used to calculate Nr(0). In particular, Nr(0) is bins-self.B(). If bins is not specified, it defaults to self.B() (so Nr(0) will be 0).
Return type:	int