Re: [Rd] Any interest in "merge" and "by" implementations specifically for so

From: Kevin B. Hendricks <kevin.hendricks_at_sympatico.ca>
Date: Tue 01 Aug 2006 - 14:20:50 GMT

Hi Tom,

> Whether or not the R core developers want to merge these functions
> in base
> R, they would make a great little package on CRAN. That way others
> could
> easily use them, and for yourself, the package automatically gets
> updated
> with new versions of R. It sounds like you're done with the hard
> parts. All
> that you need to do is add some documentation along with a couple of
> configuration files, and you're done.

Thomas Lumley recommended the same thing last night. I have just finished debugging the routines and validating them for use without NAs. I had to fix a number of typos in my code for the other functions but now they all work properly. I still need to test, debug, and validate them for use of NAs with na.rm set to both true and false.

Once I have validated them (ie. that they return the exact same things as unlist(lappy(split(x,i),FUNCTION)) does), I will get together an external package and make it available on CRAN.

I am in the stupid position of knowing how to add the functions internally to R with no problems, but I still have to learn how to build and add external packages.

So something else to learn!

Thanks,

Kevin



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