2013/6/3 Andreas Mueller <amuel...@ais.uni-bonn.de>:
> I named the variable, I think, and it is a bad name :-(
> Should we rename it?
>
> I think giving a count makes more sense than giving a frequency: you want to
> exclude outliers that appear only once or twice for example.

I actually hadn't seen this reply. It's not a bad name: it's a minimum
for document frequency, df. And yes, absolute counts are more common
than relative frequencies; usually, you just set a cutoff to reduce
noisy features.

-- 
Lars Buitinck
Scientific programmer, ILPS
University of Amsterdam

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