[R] using which to identify a range of values

[Julian Burgos]

Do simply

which(a<100 & a>=200)

Julian

sj wrote:
> Hello, I am trying to identify values that  fall within a certain range. I
> thought that I might be able to use the which function to do this but I have
> been unable to figure out a way to do it. Perhaps a little code will
> illustrate what i am trying to do.
> 
> 
> a <- rnorm(1000, 100, 50)
> which( 100 < a <= 200)
> 
> 
> of course this doesn't work but illustrates what I ma trying to do, If
> anyone has  suggestions I would greatly appreciate it
> 
> Best,
> 
> Spencer
> 
> 	[[alternative HTML version deleted]]
> 
> ______________________________________________
> R-help at r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.