[R] na.exclude equivalent

Thomas Lumley tlumley at u.washington.edu
Thu May 31 00:09:54 CEST 2001

On Wed, 30 May 2001, David Kane  <David Kane wrote:

> Is there an R equivalent to the na.action "na.exclude" in S+ for use in lm()?

There will be in about three  weeks in R 1.3.0

> My basic problem is that when using resid() to grab the residuals from an lm
> object, I would like place holders for the missing values caused by NA's among
> the input variables. na.omit, of course, removes those observations entirely,
> so I don't know (without going to the trouble of matching up row.names) which
> residuals line up with which input observations.

For now you will  have to match up row names or create a data frame
without missing data.


Thomas Lumley			Asst. Professor, Biostatistics
tlumley at u.washington.edu	University of Washington, Seattle

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