[R] Efficient way to parse string and construct data.frame

[Gabor Grothendieck]

Try this:

> s <- c("1 ,2 ,3",  "4 ,5 ,6")
> read.csv(textConnection(s), header = FALSE)
  V1 V2 V3
1  1  2  3
2  4  5  6
>


On 8/28/07, yoooooo <magno_yu at ml.com> wrote:
>
> Hi all,
>
> I have this list of strings
> [1] "1 ,2 ,3"  "4 ,5 ,6"
>
> Is there an efficient way to convert it to data.frame:
>   V1  V2  V3
> 1   1   2    3
> 2   4   5    6
>
> Like I can use strsplit to get to a list of split strings.. and then use say
> a = strsplit(mylist, ",")
> data.frame(V1 = lapply(a, function(x){x[1]}), V2 = lapply(a,
> function(x){x[2]}),.....)
>
> but i'm loop through that list so many times.. so I'm hesitated to use
> that..
>
> Thanks a lot for your great help before and this time as well!!
> - boy....
> --
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>
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