Re: [R] generating strings in a tricky order

From: jim holtman <jholtman_at_gmail.com>
Date: Sun 05 Feb 2006 - 14:51:04 EST

Is this what you want?

> n <- 5
> result <- character()
> for (i in 2:n){

+     for (j in 1:(i - 1)){
+         result <- c(result, sprintf("%03d:%03d", i, j))
+     }
+ }

> result

 [1] "002:001" "003:001" "003:002" "004:001" "004:002" "004:003" "005:001"  [8] "005:002" "005:003" "005:004"

On 2/4/06, Taka Matzmoto <sell_mirage_ne@hotmail.com> wrote:
>
> Hi R users
>
> I like to generate some strings (a character vector) in a special way like
>
> If i have 5 variables
>
> "002.001",
> "003.001", "003.002",
> "004.001", "004.002", "004.003",
> "005.001", "005.002", "005.003", "005.004"
>
> so the created string vector's elements are
>
> "002.001", "003.001", "003.002","004.001", "004.002", "004.003","005.001",
> "005.002", "005.003", "005.004"
>
> I tried to come up with for loop with two indexes (i and j) but I kept
> failing to generate that kind of order of strings. The order of the
> element
> in the character vector is very improtant.
>
> Any advice or help would be appreciated
>
> Thanks in advance
>
> TM,
>
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--
Jim Holtman
Cincinnati, OH
+1 513 247 0281

What the problem you are trying to solve?

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Received on Sun Feb 05 14:59:19 2006

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