[R] tempsum

[Achim Zeileis]

?cumsum
Z

On Thu, 12 May 2005 18:48:32 +0200 Lars wrote:

> hi,
> 
> i'd like to calculate a temperatursum, adding the value of each
> element. let's say the data looks like this:
> 
>  x<-c(1,2,3,4,5)
> what i want to do, is ploting not the sum in the end but all the 
> subresults, too,
> so my vector holds:
> x[i]
> [1]
> 1,3,6,10,15
> here is what i tried, which seems to be right to me, bu doesn't work
> out:
> 
>  x<-c(1,2,3,4,5)
> i<-1
> j<-1
> z[j]<-x[i]+x[i+1]
> p<-z[j]
> j<-2:4
> i<-3:5
> z[j]<-z[j-1]+x[i]
> plot (c(p,z[j])
> 
> what i get is:
> [1] 6.0  12.0  9.2  18.0
> 
> any sugestions? lars
> 
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