[R] Help R

[jim holtman]

try this:

> x <- textConnection(" A,B,C,D,G
+   A,C,E,O
+   F,G")
> # assume you read in your data by Lines since not the same number of fields in each line
> input <- readLines(x)
> close(x)
> # remove blanks that might be there
> input <- gsub(' *', '', input)
> # split by comma
> in.s <- strsplit(input, ',')
> # determine the range of items for the array
> id <- sort(unique(unlist(in.s)))
> # create the output matrix
> output <- matrix(0, ncol=length(id), nrow=length(in.s))
> colnames(output) <- id
> # now iterate and set values
> for (i in seq_along(in.s)){
+     output[i, unlist(in.s[[i]])] <- 1
+ }
>
>
>
> output
     A B C D E F G O
[1,] 1 1 1 1 0 0 1 0
[2,] 1 0 1 0 1 0 0 1
[3,] 0 0 0 0 0 1 1 0
>


On Thu, Jun 17, 2010 at 6:10 AM,  <ricardosousa2000 at clix.pt> wrote:
>
>   Hello,
>       I'm new in using the R, but from what I read is an excellent tool.
>      Would you like if I could help, I am trying create an array from reading
>   a text file.
>      The idea is to read the file, and transform the data in binary format,
>   for example. The calves of this file format.
>   A,B,C,D,G
>   A,C,E,O
>   F,G
>   Put this away
>      a b c d e f g o
>   1  1 1 1 1 0 0 1 0
>   2  1 0 1 0 1 0 0 1
>   3  0 0 0 0 0 1 0 0
>    and display in monitor.
>     Thanks for the help
>     _________________________________________________________________
>
>   Ãrea de Clientes Optimus Clix â Toda a gestão dos seus serviços online!
>   http://cliente.clix.pt/.
> ______________________________________________
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> 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 that you are trying to solve?