pdl-stats-help

[pdl-stats] PDL::Stats::Distr

[Boyd D. <b.d...@ke...>]

Hi all,

In the pod for PDL::Stats, it says that PDL::Stats is a short cut for 
<modules> and _if installed_ use PDL::Stats::Distr and use PDL::GSL::CDF
Both of these modules sound like something that I'd like to use, but I 
can't find them on cpan.  Any idea where I could get my hands on them?

I'm building up probability distributions in order to fit power law 
exponents to the curves.  I can't guarantee to have a point for each x 
value in the curve, so I'm assuming that I'd need to use bad values for 
those gaps.  Any suggestions?

thanks,
-- 
Boyd Duffee				Keele University
Systems Guy				(01782) 734225	
   It is amazing what you can accomplish if you are
   willing to let someone else take the credit.

[pdl-stats] PDL::Stats::Distr

[Boyd D. <b.d...@is...>]

Hi all,

In the pod for PDL::Stats, it says that PDL::Stats is a short cut for 
<modules> and _if installed_ use PDL::Stats::Distr and use PDL::GSL::CDF
Both of these modules sound like something that I'd like to use, but I 
can't find them on cpan.  Any idea where I could get my hands on them?

I'm building up probability distributions in order to fit power law 
exponents to the curves.  I can't guarantee to have a point for each x 
value in the curve, so I'm assuming that I'd need to use bad values for 
those gaps.  Any suggestions?

thanks,
-- 
Boyd Duffee				Keele University
Systems Guy				(01782) 734225	
   It is amazing what you can accomplish if you are
   willing to let someone else take the credit.

Re: [pdl-stats] PDL::Stats::Distr

[Maggie X <mag...@gm...>]

Both modules are part of the PDL::Stats package. You get them when you
install PDL::Stats. On windows the installation process often skips these
two modules because it can't find the gsl libs. You can download the
pdl-stats ppm from sysphus' repo where it's compiled against gsl so have
all the modules.

As to gaps, you can use bad value. Or if it's something like discreet vs.
continuous distribution you can also warn the user about the expected input
or value range, then bail out on it.

Best,
Maggie
On Jul 23, 2012 5:01 PM, "Boyd Duffee" <b.d...@is...> wrote:

> Hi all,
>
> In the pod for PDL::Stats, it says that PDL::Stats is a short cut for
> <modules> and _if installed_ use PDL::Stats::Distr and use PDL::GSL::CDF
> Both of these modules sound like something that I'd like to use, but I
> can't find them on cpan.  Any idea where I could get my hands on them?
>
> I'm building up probability distributions in order to fit power law
> exponents to the curves.  I can't guarantee to have a point for each x
> value in the curve, so I'm assuming that I'd need to use bad values for
> those gaps.  Any suggestions?
>
> thanks,
> --
> Boyd Duffee                             Keele University
> Systems Guy                             (01782) 734225
>    It is amazing what you can accomplish if you are
>    willing to let someone else take the credit.
>
>
>
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