Thanks a lot for the help


________________________________
From: Jeff Newmiller <jdnew...@dcn.davis.ca.us>

Sent: Sunday, October 9, 2011 6:35 PM
Subject: Re: [R] Substract "previous" element


Vectors are not matrices in R, though matrices are special cases of vectors.

See ?diff for a solution that works with vectors.
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Dear all,
>I have a matrix with data and I want to substract from every value the 
>previous element.
>
>Let's assume that my vector(matrix) is c<-(1,2,3,4,5)
>I want to get remove_previous c<-(0,1,2,3,4).
>
>How I can do that efficiently in R?
>
>I would like to thank you in advance for your help
>B.R
>Alex
>
>[[alternative HTML version deleted]]
>
>>________________________________
>
>R-help@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.
>
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