From: Sundar Dorai-Raj <sundar.dorai-raj_at_pdf.com>

Date: Tue 27 Jul 2004 - 05:07:05 EST

*>
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> [1] log log log log log none none none log rank rank rank none none log

*> [16] log log rank rank rank rank none none none none rank sqrt sqrt sqrt sqrt
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*> [31] sqrt sqrt sqrt sqrt rank sqrt
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*> Levels: none < sqrt < log < rank
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*>
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*> But this is not what I would like to have because the command not only superimposes an ordering but also changes the factors!
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*>
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*> Eryk
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*>
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R-help@stat.math.ethz.ch mailing list

https://www.stat.math.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html Received on Tue Jul 27 05:13:25 2004

Date: Tue 27 Jul 2004 - 05:07:05 EST

Wolski wrote:

*> Hi!
*

> Have the following factors with the following levels.

*> tmp$norm
**> [1] rank rank rank rank rank log log log rank sqrt sqrt sqrt log log rank
**> [16] rank rank sqrt sqrt sqrt sqrt log log log log sqrt none none none none
**> [31] none none none none sqrt none
**> Levels: log none rank sqrt
**>
**> I would like to add an ordering to the levels.
**> none<sqrt<log<rank
**>
**> I tried with
**> tmp$norm <-factor(tmp$norm,labels = c("none","sqrt","log","rank"),ordered=T)
**>
*

>>tmp$norm

> [1] log log log log log none none none log rank rank rank none none log

Eryk,

See ?factor or ?ordered which will help. I think what you want is:

lev <- c("none", "sqrt", "log", "rank")

tmp$norm <- ordered(tmp$norm, levels = lev)

or

tmp$norm <- factor(tmp$norm, levels = lev, ordered = TRUE)

Note the use of "levels" and not "labels".

--sundar

R-help@stat.math.ethz.ch mailing list

https://www.stat.math.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html Received on Tue Jul 27 05:13:25 2004

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