[R] position of an element in a vector
Roger Peng
rpeng at stat.ucla.edu
Thu Feb 13 22:57:07 CET 2003
For extracting list elements, you can use the [[ operator, as in
a <- list(6, 5, 4, 3)
a[[1]] ## get '6'
For vectors, you can use [, as in
a <- c(1,2,4,3,6)
a[3]
-roger
_______________________________
UCLA Department of Statistics
rpeng at stat.ucla.edu
http://www.stat.ucla.edu/~rpeng
On Thu, 13 Feb 2003, Jason Bond wrote:
> Hello. Sorry for the elementary post. I've looked through the
> documentation, but can't seem to find a function which allows one to
> extract the position of an element within a list...for example the position
> of the element 4 in the vector c(1,2,4,3,6) is 3. Thanks much for any help.
>
> Jason
>
> ______________________________________________
> R-help at stat.math.ethz.ch mailing list
> http://www.stat.math.ethz.ch/mailman/listinfo/r-help
>
More information about the R-help
mailing list