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# PDL-Stats
| Build status |
| ------------- |
|  |
[](https://coveralls.io/github/PDLPorters/PDL-Stats?branch=master)
[](https://metacpan.org/pod/PDL::Stats)
This is a collection of statistics modules in Perl Data Language, with a quick-start guide for non-PDL people.
They make perldl--the simple shell for PDL--work like a teenie weenie R, but with PDL broadcasting--"the fast (and automagic) vectorised iteration of 'elementary operations' over arbitrary slices of multidimensional data"--on procedures including t-test, ordinary least squares regression, and kmeans.
Of course, they also work in perl scripts.
## DEPENDENCIES
- PDL
Perl Data Language.
The required PDL version is 2.096.
- PDL::GSL (Optional)
PDL interface to GNU Scientific Library. This provides PDL::Stats::Distr
and PDL::GSL::CDF, the latter of which provides p-values for
PDL::Stats::GLM. GSL is otherwise NOT required for the core PDL::Stats
modules to work, ie Basic, Kmeans, and GLM.
- PDL::Graphics::Simple (Optional)
PDL-Stats currently uses this for plotting. It can use any of several
engines to achieve this.
## INSTALLATION
### \*nix
For standard perl module installation in \*nix environment form source, to install all included modules, extract the files from the archive by entering this at a shell,
tar xvf PDL-Stats-xxx.tar.gz
then change to the PDL-Stats directory,
cd PDL-Stats-xxx
and run the following commands:
perl Makefile.PL
make
make test
sudo make install
If you don't have permission to run sudo, you can specify an alternative path,
perl Makefile.PL PREFIX=/home/user/my_perl_lib
make
make test
make install
then add `/home/user/my_perl_lib` to your PERL5LIB environment variable.
If you have trouble installing PDL, you can look for help at the PDL wiki or PDL mailing list.
## SUPPORT AND DOCUMENTATION
After installing, you can find documentation for the modules with the
perldoc command.
perldoc PDL::Stats
perldoc PDL::Stats::Basic
etc.
You can also look for information at:
Home
https://github.com/PDLPorters/PDL-Stats
Search CPAN
https://metacpan.org/dist/PDL-Stats
Mailing list (low traffic, open a GitHub issue instead)
https://lists.sourceforge.net/lists/listinfo/pdl-stats-help
If you notice a bug or have a request, please submit a report at
[https://github.com/PDLPorters/PDL-Stats/issues](https://github.com/PDLPorters/PDL-Stats/issues)
If you would like to help develop or maintain the package, please email me at the address below.
## COPYRIGHT AND LICENCE
Copyright (C) 2009-2012 Maggie J. Xiong <maggiexyz users.sourceforge.net>
All rights reserved. There is no warranty. You are allowed to redistribute this software / documentation as described in the file COPYING in the PDL distribution.
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