LogisticRegression bug?

[forki]

In

Machine-Learning-In-Action/MachineLearningInAction/MachineLearningInAction/LogisticRegression.fs

Line 96 in 398677f

|> Seq.take len

you take len elements from a random sequence of [0..len-1]

I think this is not really correct since you might draw elements twice.
That said: the overall implication is basically zero since we have mutiple rounds.

Just want to know what you are thinking about this.