[R] favorite useful tools?

Abhijit Dasgupta adasgupt at mail.jci.tju.edu
Sat Jun 7 17:21:09 CEST 2008

The two sets of packages I use a lot for their utility functions and for 
making my day-to-day analysis and reporting easier are Hmisc and Design 
by Frank Harrell and {gdata,gmodels,gplots} by Greg Warnes. Frank's 
packages have good documentation and cover a pretty good range of 
regression methods as well as a refined set of report-writing tools (see 
http://biostat.mc.vanderbilt.edu/twiki/bin/view/Main/RS for more). These 
aren't "obscure" or "small" tools, but very useful and "cool" tools I 
use regularly.

Greg and Frank can thank me later for the free plug :-D :-D


Carl Witthoft wrote:
> Hi,
> I'm relatively new to R, so I don't know the full list of base (or 
> popular add-on packages)  functions and tools available.  For example, 
> I tripped across mention of rle() in a message about some other 
> problem. rle() turned out to be a handy shortcut to splitting some of 
> my data by magnitude (vaguely like a sequence-based histogram).
> So I thought I'd ask: what small, or obscure, tools and functions in R 
> do you find handy or 'cool' to use in your work?
> Thanks
> Carl
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