Re: [Numpy-discussion] Initial implementation of histogram_discrete()

2009-11-16 Thread Bruce Southey
On 11/15/2009 01:16 AM, David Warde-Farley wrote: > On 14-Nov-09, at 10:57 AM, Bruce Southey wrote: > > >> Is it just that bincount does not count negative numbers? >> If so, then I would strongly argue that is insufficient for creating >> new function. Rather you need to provide a suitable pat

Re: [Numpy-discussion] Initial implementation of histogram_discrete()

2009-11-14 Thread David Warde-Farley
On 14-Nov-09, at 10:57 AM, Bruce Southey wrote: > Is it just that bincount does not count negative numbers? > If so, then I would strongly argue that is insufficient for creating > new function. Rather you need to provide a suitable patch to fix > bincount or replace bincount with a better version

Re: [Numpy-discussion] Initial implementation of histogram_discrete()

2009-11-14 Thread Bruce Southey
On Sat, Nov 14, 2009 at 6:40 AM, wrote: > On Sat, Nov 14, 2009 at 7:10 AM,   wrote: >> On Sat, Nov 14, 2009 at 6:53 AM, Priit Laes wrote: >>> Ühel kenal päeval, R, 2009-11-13 kell 13:36, kirjutas Ernest Adrogué: 13/11/09 @ 09:41 (+0200), thus spake Priit Laes: > Does anyone have a scen

Re: [Numpy-discussion] Initial implementation of histogram_discrete()

2009-11-14 Thread josef . pktd
On Sat, Nov 14, 2009 at 7:10 AM, wrote: > On Sat, Nov 14, 2009 at 6:53 AM, Priit Laes wrote: >> Ühel kenal päeval, R, 2009-11-13 kell 13:36, kirjutas Ernest Adrogué: >>> 13/11/09 @ 09:41 (+0200), thus spake Priit Laes: >>> > Does anyone have a scenario where one would actually have both negative

Re: [Numpy-discussion] Initial implementation of histogram_discrete()

2009-11-14 Thread josef . pktd
On Sat, Nov 14, 2009 at 6:53 AM, Priit Laes wrote: > Ühel kenal päeval, R, 2009-11-13 kell 13:36, kirjutas Ernest Adrogué: >> 13/11/09 @ 09:41 (+0200), thus spake Priit Laes: >> > Does anyone have a scenario where one would actually have both negative >> > and positive numbers (integers) in the li

Re: [Numpy-discussion] Initial implementation of histogram_discrete()

2009-11-14 Thread Priit Laes
Ühel kenal päeval, R, 2009-11-13 kell 13:36, kirjutas Ernest Adrogué: > 13/11/09 @ 09:41 (+0200), thus spake Priit Laes: > > Does anyone have a scenario where one would actually have both negative > > and positive numbers (integers) in the list? > > Yes: when you have a random variable that is the

Re: [Numpy-discussion] Initial implementation of histogram_discrete()

2009-11-13 Thread Ernest Adrogué
13/11/09 @ 09:41 (+0200), thus spake Priit Laes: > Does anyone have a scenario where one would actually have both negative > and positive numbers (integers) in the list? Yes: when you have a random variable that is the difference of two (discrete) random variables. For example, if you measure the

Re: [Numpy-discussion] Initial implementation of histogram_discrete()

2009-11-12 Thread Priit Laes
Ühel kenal päeval, N, 2009-11-12 kell 18:16, kirjutas David Warde-Farley: > On 12-Nov-09, at 6:09 PM, josef.p...@gmail.com wrote: > > > On Thu, Nov 12, 2009 at 6:00 PM, Priit Laes wrote: > >> Hey, > >> > >> I cooked up an initial implementation for one-dimensional > >> histogram_discrete(). > >>

Re: [Numpy-discussion] Initial implementation of histogram_discrete()

2009-11-12 Thread Robert Kern
On Thu, Nov 12, 2009 at 20:12, wrote: > On Thu, Nov 12, 2009 at 6:31 PM, Robert Kern wrote: >> On Thu, Nov 12, 2009 at 17:25,   wrote: >> >>> If I could make a related wish, I wish np.bincount to take also a 2d >>> array as weights. >> >> It does. > > If it does, I don't manage to make it work,

Re: [Numpy-discussion] Initial implementation of histogram_discrete()

2009-11-12 Thread josef . pktd
On Thu, Nov 12, 2009 at 6:31 PM, Robert Kern wrote: > On Thu, Nov 12, 2009 at 17:25,   wrote: > >> If I could make a related wish, I wish np.bincount to take also a 2d >> array as weights. > > It does. If it does, I don't manage to make it work, and the new docs say 1dimension. Josef >>> np.bin

Re: [Numpy-discussion] Initial implementation of histogram_discrete()

2009-11-12 Thread Robert Kern
On Thu, Nov 12, 2009 at 17:25, wrote: > If I could make a related wish, I wish np.bincount to take also a 2d > array as weights. It does. -- 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 a

Re: [Numpy-discussion] Initial implementation of histogram_discrete()

2009-11-12 Thread josef . pktd
On Thu, Nov 12, 2009 at 6:16 PM, David Warde-Farley wrote: > On 12-Nov-09, at 6:09 PM, josef.p...@gmail.com wrote: > >> On Thu, Nov 12, 2009 at 6:00 PM, Priit Laes wrote: >>> Hey, >>> >>> I cooked up an initial implementation for one-dimensional >>> histogram_discrete(). >>> >>> Example: >>>

Re: [Numpy-discussion] Initial implementation of histogram_discrete()

2009-11-12 Thread David Warde-Farley
On 12-Nov-09, at 6:09 PM, josef.p...@gmail.com wrote: > On Thu, Nov 12, 2009 at 6:00 PM, Priit Laes wrote: >> Hey, >> >> I cooked up an initial implementation for one-dimensional >> histogram_discrete(). >> >> Example: >> import numpy numpy.histogram_discrete([-1, 9, 9, 0, 3, 5, 3]) >>

Re: [Numpy-discussion] Initial implementation of histogram_discrete()

2009-11-12 Thread josef . pktd
On Thu, Nov 12, 2009 at 6:00 PM, Priit Laes wrote: > Hey, > > I cooked up an initial implementation for one-dimensional > histogram_discrete(). > > Example: > >>> import numpy >>> numpy.histogram_discrete([-1, 9, 9, 0, 3, 5, 3]) > array([1, 1, 0, 0, 2, 0, 1, 0, 0, 0, 2]) >>> numpy.histogram_discre

[Numpy-discussion] Initial implementation of histogram_discrete()

2009-11-12 Thread Priit Laes
Hey, I cooked up an initial implementation for one-dimensional histogram_discrete(). Example: >> import numpy >> numpy.histogram_discrete([-1, 9, 9, 0, 3, 5, 3]) array([1, 1, 0, 0, 2, 0, 1, 0, 0, 0, 2]) >> numpy.histogram_discrete([-9, 9]) array([1, 0, 0, ..., 0, 0, 1]) Suggestions, cri