[R] tempsum

[Dimitris Rizopoulos]

maybe you can find cumsum() helpful, e.g.,

cumsum(1:5)

Best,
Dimitris

----
Dimitris Rizopoulos
Ph.D. Student
Biostatistical Centre
School of Public Health
Catholic University of Leuven

Address: Kapucijnenvoer 35, Leuven, Belgium
Tel: +32/16/336899
Fax: +32/16/337015
Web: http://www.med.kuleuven.ac.be/biostat/
     http://www.student.kuleuven.ac.be/~m0390867/dimitris.htm


----- Original Message ----- 
From: "Lars" <lars.claussen at pik-potsdam.de>
To: <r-help at stat.math.ethz.ch>
Sent: Thursday, May 12, 2005 6:48 PM
Subject: [R] tempsum


> 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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