> rawlins02@yahoo.com wrote:

>> Despite much searching, I'm unable to locate free source code that I
>> know exists. Tried Netlib, GAMS, Numerical Recipes, and a few other web
>> resources. I'm looking specifically for routines to calculate Spearman
>> rank correlation coefficient, Mann-Kendall trend test, and/or other
>> related non-parametric rank stats. Found plenty of documentation of
>> routines, and some source code, but not the right one. Here's the
>> closest I've come:
>>
>> http://gams.nist.gov/serve.cgi/Class/L1c1b/
>> G02BNF Computes Kendall and/or Spearman non-parametric rank
>> correlation coefficients

>
> The most common file suffix for Fortran code on the Internet is ".f",
> so you can Google "foo filetype.f" to find source code about foo.
> Googling "spearman filetype:f" leads to
> http://www.itl.nist.gov/div898/software/datapac/SPCORR.f , which looks
> relevant.

>
> The R statistical software program has a package for the "Kendall rank
> correlation and Mann-Kendall trend test"
> http://cran.r-project.org/src/contrib/Descriptions/Kendall.html for
> which Fortran and R source code can be downloaded.
>
> Links to Fortran code for statistics and econometrics are at the Open
> Directory at
> http://www.dmoz.org/Computers/Programming/Languages/Fortran/Source_Code/Statisti.../
> .
>