[R-wiki] Factor pages

[Gorjanc Gregor]

Hi!

There are several instances of describing factors i.e. at least these
two

http://wiki.r-project.org/rwiki/doku.php?id=guides:stats-with-r:02programming_in_r:03datastructures&s=omit#factors

and

http://wiki.r-project.org/rwiki/doku.php?id=tips:data-factors:factors

I think that we should merge factor parts. Should we put that part from 
first link to the second?

Lep pozdrav / With regards,
    Gregor Gorjanc

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University of Ljubljana     PhD student
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Zootechnical Department     mail: gregor.gorjanc <at> bfro.uni-lj.si
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Slovenia, Europe
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