R help - Feb 2012 - finding the subscript of a vector fulfiiling a given condition

galemago wrote
> 
> Dear Forum,
> 
> I just recently started to work with R, I?d like to know if there is a way
> to give instructions/do operations related to values with different
> subscripts within a vector.
> Let?s assume I have a vector like this:
> A="368    369    370    371   393    394    395"
> If I call "j" the subscripts of the vector I?d like to find the j
value
> such that A(j+1)-A(j) is the maximum.
> This would tell me at which position of the vector I have the biggest gap.
> (the fifth in the example above)
> My problem is that I don?t find a way to define the vector subscripts as a
> variable, that I believe is what I need to solve this problem. Is that
> possible? 
> Thanks a lot, hope to come back often in this forum,
> G.
> 
How about ...

A <- c(368,369,370,371,393,394,395)

which.max(diff(A))

HTH

Pete


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