Re: [R] Interpolation in time

From: Achim Zeileis <Achim.Zeileis_at_wu-wien.ac.at>
Date: Fri 07 Oct 2005 - 00:17:57 EST

On Thu, 6 Oct 2005 16:10:15 +0200 Anette Nørgaard wrote:

> This is exactly what I requested, thank you!! However I do actually
> have several columns in my data sheet where I need to do the same
> thing, then how do I come about that?

Look at na.approx() in package zoo.
Best,
Z   

> e.g.
>
> yr<-c(rep(2000,14))
> doy<-c(16:29)
> dat1<-c(3.2,NA,NA,NA,NA,NA,NA,5.1,NA,NA,NA,NA,NA,4.6)
> dat2<-c(2.2,NA,NA,NA,NA,NA,NA,6.1,NA,NA,NA,NA,NA,4.2)
> dat3<-c(3.4,NA,NA,NA,NA,NA,NA,4.1,NA,NA,NA,NA,NA,4.7)
> ta<-cbind(yr,doy,dat1,dat2,dat3)
>
>
>
> [[alternative HTML version deleted]]
>
> ______________________________________________
> R-help@stat.math.ethz.ch mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide!
> http://www.R-project.org/posting-guide.html
>



R-help@stat.math.ethz.ch mailing list
https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html Received on Fri Oct 07 00:31:11 2005

This archive was generated by hypermail 2.1.8 : Sun 23 Oct 2005 - 18:25:16 EST