[R] Replacing NAs with interpolated values

[Torsten Hothorn]

> Hi there,
> 
> I've got this vector:
> 
> -84  -87  -90  -90  -89  -86 NA NA NA NA NA NA NA NA NA NA NA NA  -96 
> -99 -100  -99  -96 -92  -89  -87  -87  -88  -90  -92  -94  -95  -96 
> -97  -97  -97  -96  -95
> 
> Is there a function in R which replaces the NAs with "interpolated"
> values between -86 and -96?

maybe something like 

> x <- c(1,2,NA, NA, NA, 10)
> indx <- which(is.na(x))
> x[is.na(x)] <- mean(c(x[indx[1]-1], x[indx[length(indx)]+1]))
> x
[1]  1  2  6  6  6 10

where `mean' is to be replaced with your interpolation :-)

Torsten


> 
> Thanks, Sven
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