# [R] saving while loop values to one vector

Gabor Grothendieck ggrothendieck at gmail.com
Mon Dec 24 08:30:57 CET 2007

```Its not clear what your code is intended to do but

- put set.seed(123) before your code so you can
run it reproducibly.

- wave2 <- sort(abs(rnorm(100))) is the same as your first
two lines

- your findInterval line always returns 1 so its probably not what you want

- i in i:x is confusing. Use j in i:x or even better use diff(wave2).

On Dec 24, 2007 1:54 AM, Syed Abid Hussaini <ohitsabid at yahoo.com> wrote:
> I solved it myself by reading the help files which i should have done prior to my posting.
>
> Solution:
>
> wave2 <- abs(Re(rnorm(100)))
> wave2 <- sort (wave2, decreasing=F)
> hist(wave2)
> x <- length (wave2)
> i <- findInterval((wave2[1]), wave2)
> i <- i+1
> out <- numeric(x)
> for (i in i:x)  {
> out[i] <- (wave2 [i] - wave2[i-1])
> }
> out
>
> As you see i trimmed the code and alloted a new variable called out which i later save my values
> to.
>
>
>
> --- Syed Abid Hussaini <ohitsabid at yahoo.com> wrote:
>
> > Hi all,
> >   I am pretty new to R and even new to programming in general. Right now i get only one value
> > for
> > j below (print(j)), how do i save all j values to one vector or matrix? Sorry for this very
> > basic
> > question. thanks in advance.
> >
> > wave2 <- abs(Re(rnorm(100)))
> > i <- findInterval((wave2[1]), wave2)
> > i <- i+1
> >
> > while (i < length(wave2))  {
> > j <- (wave2 [i] - wave2[i-1])
> > print(j)
> > i<-i+1
> > }
> >
> > abid
> >
> >
> >
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>
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