This is my problem.
I get results of some method and I should match coordinates from one
dictionary and names of categories in another dictionary. Is that possible?
I see no way of doing that!
I have already used sorted().
I have also used update() but I believe that update() also works arbitrary,
it does not necessarely append to the end of the dictionary? At least from
my experiences.
Thanks a lot again,
Marko
On Tue, Dec 6, 2011 at 4:09 PM, Peter <pe...@maubp.freeserve.co.uk> wrote:
> On Tue, Dec 6, 2011 at 2:48 PM, Marko Limbek <marko.lim...@valicon.net>
> wrote:
> > Hi,
> >
> > Can someone please explain to me, how Python performs his random
> > permutations in the keys of the dictionaries? It seems that there are
> some
> > more or less random permutations, because the order of the variables is
> > completely confused.
>
> The order of the keys in a Python dictionary is arbitrary (like a Python
> set),
> and furthermore differs depending on which Python implementation you
> are using (traditional C Python, Jython, PyPy, etc).
>
> You must not assume anything about the order.
>
> > I am doing some complex statistical analysis in RPy
> > (multiple correspondence analysis, factor analysis, multidimensional
> > scaling) and this unordering really upsets me and makes me problems. I
> think
> > I will need to look up exactly how Python does it in its code. Thanks for
> > any suggestions!
> >
> > Best,
> > Marko
>
> The function sorted(...) is a quick fix for iterating over small dicts.
> There are also dictionary subclasses which preserve the order.
> Something like that might be more appropriate.
>
> Peter
>
>
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