[Numpy-discussion] median object

Robert Kern robert.kern@gmail....
Tue Jul 7 20:04:07 CDT 2009

On Mon, Jul 6, 2009 at 18:00, keflavich<keflavich@gmail.com> wrote:
> Hi, I want to be able to do something like:
> import numpy
> x=numpy.array([1,4,4,6,7,3,4,2])
> x.median()
> rather than
> numpy.median(x)
> so that in a function, I can call
> x.median()
> and allow x to be a masked array or a numpy array.
> Using the ma.median version by default is something of a workaround, because
> it appears to work on both numpy arrays and masked arrays.  My question,
> though, is: why is median() not implemented as an attribute of the
> array/masked array object, while min/max/mean/std are?  Is there a better
> workaround?

You may want to consider using simplegeneric to make a generic
function that will dispatch to the type-appropriate implementation.


Robert Kern

"I have come to believe that the whole world is an enigma, a harmless
enigma that is made terrible by our own mad attempt to interpret it as
though it had an underlying truth."
  -- Umberto Eco

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