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QQ - Why do you say that "The first has a particularly nice feature that it can also work with numeric dimensions as well."? seqnum is a number in both cases. The only diff is that in one case you are (trying to) take a fixed percentage of samples per category, whereas in the 2nd one you are taking (at most) a fixed (and equal) number of samples per category, right?

Josh
– Josh

2020-08-26 20:26:48 +00:00
Commented Aug 26, 2020 at 20:26
@Josh . . . What I mean is that an nth sample will work if you want to stratify by a numeric columns, for instance row_number() over (order by income) would also work with the modulo approach.

Gordon Linoff
– Gordon Linoff

2020-08-27 00:23:05 +00:00
Commented Aug 27, 2020 at 0:23

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