[R] Formating a matrix in a exotic way

[David Winsemius]

On Sep 19, 2010, at 3:41 PM, Megh Dal wrote:

> Suppose I have following arbitrary matrix:
>
>> set.seed(1)
>> mat <- matrix(rnorm(6), 3, 2)
>> mat
>           [,1]       [,2]
> [1,] -0.6264538  1.5952808
> [2,]  0.1836433  0.3295078
> [3,] -0.8356286 -0.8204684
>
> Now I want to make a simple object like (character type):
>
> "-0.6264538,1.5952808;0.1836433,0.3295078;-0.8356286,-0.8204684"

  paste( apply(mat,1,paste, collapse=","), collapse=";")

[1]  
"-0.626453810742332,1.59528080213779;0.183643324222082,0.329507771815361 
;-0.835628612410047,-0.820468384118015"

>
> I would be really grateful if somebody guide me how to perform that.
>
> Thanks for your time.