[Numpy-discussion] Was the range() function ever created?
robert.kern at gmail.com
Sat May 25 00:56:01 EDT 2019
On Fri, May 24, 2019 at 9:33 PM C W <tmrsg11 at gmail.com> wrote:
> Thank you, Robert. I will take it up to the Pandas-dev mailing list.
> I'm not sure if I follow you on "right semantics for the shape of the
> output." Range is just a summary statistic which is a number.
> I'm not an expert, but wouldn't something like this do?
> def range(vec):
> return np.max(vec) - np.min(vec)
Oh.You referenced the R range() function, which returns the minimum and the
maximum as separate numbers, not their difference.
And the pandas issue that you referenced was asking for the same.
In fact, numpy does have the function you are looking for, as Juan noted.
It's called `ptp()` (early numpy developers tended to be more from a signal
processing background than a statistics background).
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