[R] vector of center of

[Fred Jean]

Hello

I have a vector gd of 279 values of diameter of limpets.

Using 'hist(gd, breaks=seq(10,60,5),plot=F)' I can obtain a vector of 
10 centers of size-class ($mids).

But I'd like to work on a vector of 279 values being the mids (centers
of size-classes) corresponding to the respective 279 values in gd.

I looked in the different manuals and in archives of list but didn't find how
to obtain such a vector... I looked around in the manual of functions such as
levels, density, ... but didn't find a simple solution, which may exists I
believe.

thanks so much for taking time to answer this (naive/newbie) question.

Fred







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