[Numpy-discussion] nanmean(), nanstd() and other "missing" functions for 1.8

Chris Barker - NOAA Federal chris.barker at noaa.gov
Wed May 1 12:58:17 EDT 2013

On Wed, May 1, 2013 at 6:52 AM, Benjamin Root <ben.root at ou.edu> wrote:

> How about a tuple: (min, max)?
> I am not familiar enough with numpy internals to know which is the better
> approach to implement.  I kind of feel that the 2xN array approach would be
> more flexible in case a user wants all of this information in a single
> array, while still allowing for unpacking as if it was a tuple.

hmm, my thinking is that the min and max values really are two different
results, so getting two separate arrays makes sense to me.

however, you are right, Python's nifty generic sequence unpacking lets you
use a (2X...) array similarly to a tuple of two arrays, so why not?

Food for thought on one reason:

min, max = np.minmax(arr)

would result in two arrays, but they would be views on the same array, Not
sure if that matters, though.




Christopher Barker, Ph.D.

Emergency Response Division
NOAA/NOS/OR&R            (206) 526-6959   voice
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Chris.Barker at noaa.gov
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