Is this what you want?

> x <- "People    Desc    Value
+ Mary      Height    50
+ Mary      Weight   100
+ Fanny    Height     60
+ Fanny     Weight    200"
> x <- read.table(textConnection(x), header=TRUE, as.is=TRUE)
> reshape(x, direction='wide', idvar="People", timevar="Desc")
  People Value.Height Value.Weight
1   Mary           50          100
3  Fanny           60          200
>
>



On 6/27/07, yoooooo <[EMAIL PROTECTED]> wrote:
>
>
> Hi all,
>
>    let's say I have matrix
>
> People    Desc    Value
> Mary      Height    50
> Mary      Weight   100
> Fanny    Height     60
> Fanny     Height    200
>
> Is there a quick way to form the following matrix?
>
> People   Height    Weight
> Mary      50         100
> Fanny     60        200
>
> (Assuming I don't know the length of people/desc and let's say these are
> characters matrix.. I tried play with row(), col(), etc.. but I don't seem
> to find like a duplicate match function...
> I'm trying to write some one/two liner that convert my resulting matrix to
> vector and pick the appropriate fields.. etc )
>
> Thanks!
>
> --
> View this message in context:
> http://www.nabble.com/restructuring-matrix-tf3991741.html#a11334950
> Sent from the R help mailing list archive at Nabble.com.
>
> ______________________________________________
> R-help@stat.math.ethz.ch mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide
> http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
>



-- 
Jim Holtman
Cincinnati, OH
+1 513 646 9390

What is the problem you are trying to solve?

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