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On Thu, Aug 6, 2009 at 17:02, Pierre GM<pgmdevlist@gmail.com> wrote:
On Aug 6, 2009, at 5:49 PM, Robert Kern wrote:
On Thu, Aug 6, 2009 at 16:43, Pierre GM<pgmdevlist@gmail.com> wrote:
Even if the scale is simply discarded already, using a location will probably NOT give the expected result
It depends on what your expectations are. For the discrete distributions, all the loc parameter means is this, as documented:
pmf(x; loc) -> pmf(x-loc)
That's it. I don't know why you would expect anything else.
Because using a location parameter, you change the support domain.
It should be noted that the location parameter changes the support domain *as a consequence* of the above transformation. Changing the support domain (and holding everything else fixed) is not the defining characteristic of the location parameter. -- 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