[Rd] section needed in FAQ - Using R (PR#9698)

From: <ray_at_ganymede.org>
Date: Sun, 20 May 2007 03:03:21 +0200 (CEST)


Full_Name: Ray Kiddy
Version: R 2.5.0 GUI 1.19 (4308)
OS: Mac OS X 10.4.9
Submission from: (NULL) (71.139.33.60)

There is no section in the FAQ equivalent to "Using R". The "R Basics" is too basic. I would say it addresses "meta-R" questions, such as installing.

I had a FAQ that I would think would be a basic "Using R" question, namely: "How does one generate random numbers?". It is actually non-trivial to answer this if one is new to R, as there are too many hits for "Random" and they dive too deeply.

My answer to this FAQ would be:

In order to generate random numbers, there are "r" methods for every distribution. Distributions include Uniform (runif), Binomial (rbinom), Normal
(rnorm), Cauchy (rcauchy), Chi Square (rchisq), Exponential (rexp), Gamma
(rgamma), and many more.

By the way, the R program itself is really badly in need of an "appropos()" to go alongside "help()". Perhaps "help()" can be renamed to "hunt()" or "huntAndPeck()".



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