[R] error in qr(x)

[kjetil brinchmann halvorsen]

On 11 May 2003 at 11:59, Spencer Graves wrote:

> df1 <- data.frame(x=c(1:3, NA), y=rnorm(4))
> rlm(y~x, data=df1[!is.na(df1$x),])

or simpler:

> df1 <- data.frame(x=c(1:3, NA), y=rnorm(4))
> rlm(y~x, data=na.omit(df1) ) 

Kjetil Halvorsen



> 
> hth.  spencer graves
> 
> Martin Wegmann wrote:
>  > Hello,
>  > how do I remove Na's in R? Or did you mean to remove them before I 
> load them
>  > into R? But I can't remove them totally because it is a series, I can
>  > interpolate them (command?)
>  >
>  > cheers, Martin.
>  >
> Spencer Graves wrote:
> > Have you tried removing the NA's beforecalling "rlm"?
> > 
> > hth.  spencer graves
> > 
> > Martin Wegmann wrote:
> > 
> >> Hello,
> >> I get the following prompt when tring to compute rlm:
> >>
> >>
> >>> x<-rlm(core.e, na.action=na.omit)
> >>> Error in qr(x) : NA/NaN/Inf in foreign function call (arg 1)
> >>
> >>
> >>
> >> I checked with is.finite and is.infinite but in both cases i get FALSE 
> >> and my missing values are substituted by NA.
> >> what does this error prompt mean and how do I solve it?
> >>
> >> thanks in advance, cheers Martin
> >>
> >>
> > 
> >
> 
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