On Sep 30, 2009, at 4:10 PM, Corrado wrote:
Dear list,
I have a strange requirement .... I have a vector, for example v<-
c(0,0,0,0,1,2,4,6,8,8,8,8). I have a value,for example x<- 4.8.
I would like to understand in which sub interval of v is x. In this
case, v
would be in the sub interval [4,6] that is in the subinterval
starting from
element j=7 to the element j+1=8.
sum(x > v)
> v[sum(x > v)]
[1] 4
> v[sum(x > v)+1]
[1] 6
Can we do that with an R command?
--
David Winsemius, MD
Heritage Laboratories
West Hartford, CT
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