[R] multiple selection syntax

[Corey Moffet]

I think you just want &, not &&.

  
try:
 x <- 1:10
 xint <- x[x>=4 & x < 7]
 xint


At 05:57 PM 9/8/2003 +0200, anne wrote:
>Hello
>
>This is a very newbie question on R syntax, but I do not find the answer....
>
>I want to make a selection on an interval say choose Xint in the 
>interval of temperatures 390-399
>
>I tried this syntax
>Xint<- X[t>=390 && t< 400] 
>typing >XintI get the answer numeric(0)
>
>it did not select any object! 'though I verified that there indeed are 
>occrencies of X in this interval
>
>
>Any idea?
>
>thanks
>
>Anne
>
>______________________________________________
>R-help at stat.math.ethz.ch mailing list
>https://www.stat.math.ethz.ch/mailman/listinfo/r-help
>
With best wishes and kind regards I am

Sincerely,

Corey A. Moffet, Ph.D.
Support Scientist

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