On Sat, 17 Mar 2018 16:41:01 +1100, Ben Finney wrote:
>> (4) median() should strip out NANs.
>
> Too much magic.
Statistically, ignoring NANs is equivalent to taking them as missing
values. That is, for the purposes of calculating some statistic (let's
say, median, although it applies to others as well), the sample data:
21, 37, 41, NAN, 65, 72
is equivalent to:
21, 37, 41, 65, 72
That's probably the most mathematically correct thing to do, *if* you
interpret NANs as missing values.
Thanks for your feedback.
--
Steve
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