Re: [R] any book and tutorial about how to manipulate data with R/S+

From: Dirk Eddelbuettel <>
Date: Sun 13 Mar 2005 - 11:07:43 EST

On 12 March 2005 at 15:42, Wensui Liu wrote:
| I am sorry that I did not state my question clearly.
| What I mean by data manipulation includes sort, merge, aggregate,
| transpose, data export and import, format, date & time handle, and so
| on, which might be not important to statistician.

R excels at all of those, and it comes with five manuals one of which is dedicated to data input/output. How to manipulate data once you have it loaded is covered in the intro document and many of the other documents that are available on the web or in a fine library or bookstore near you.

| I have use SAS and SPSS for a while and really want to use R as an
| alternative computing system. Unless R/S+ can provide strong
| functionality in data manipulation as SAS does, it is hard to compete
| with SAS in business rather than in academic.

You will find a variety of documents discussing exactly that. You could start with Frank Harrell's website.

Hth, Dirk

Better to have an approximate answer to the right question than a precise 
answer to the wrong question.  --  John Tukey as quoted by John Chambers

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