Try this:

aggregate(.~ id, lapply(test, as.character), FUN = paste, collapse = "")

On Fri, Jan 21, 2011 at 10:25 AM, Den <d.kazakiew...@gmail.com> wrote:

> Dear [R] people
> Could you please help with following data transformation.
> Any suggestions, hints, references and even guessing on performing any
> of the following steps are highly appreciated. Those transformations are
> crucial for my work.
>
> (n_, _n, j_, k_ signify numbers)
>
> SOURCE DATA:
> id      cycle1  cycle2  cycle3  …       cycle_n
> 1       c       c       c               c
> 1       m       m       m               m
> 1       f       f       f               f
> 2       m       m       m               NA
> 2       f       f       f               NA
> 2       c       c       c               NA
> 3       a       a       NA              NA
> 3       c       c       c               NA
> 3       f       f       f               NA
> 3       NA      NA      m               NA
> ...........................................
>
>
>
> RESULT DATA1:
> id      cyc1    cyc2    cyc3    …       cyc_n
> 1       cfm     cfm     cfm             cfm
> 2       cfm     cfm     cfm             NA
> 3       acf     acf     cfm             NA
> ...........................................
>
>
> RESULT DATA2:
> id      treatment
> 1       n_cfm
> 2       j_cfm
> 3       2acf->k_cfm
> ...................
>
>
> RESULT DATA3:
> id      regimen numOfCycles
> 1       cfm     n_
> 2       cfm     j_
> 3       asf->cfm        {2+k_}
> .............................
>
>
>
> Thank you
> Denis
>
> ______________________________________________
> R-help@r-project.org 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.
>



-- 
Henrique Dallazuanna
Curitiba-Paraná-Brasil
25° 25' 40" S 49° 16' 22" O

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