Re: [R] options --- na.rm , save-on-exit

From: Uwe Ligges <ligges_at_statistik.uni-dortmund.de>
Date: Sun 04 Jul 2004 - 02:15:04 EST

ivo_welch-rstat8783@mailblocks.com wrote:
>
> dear R wizzards: two options() related questions.
>
> [a] options(na.action): many of my variables have missing variables, so
> I would like to set a default to ignore, especially in univariate
> functions like mean() and median() . alas, without na.rm=T in the
> functions themselves, I always get an NA. my code is full of na.rm=T is
> there a magic invokation of options with na.action that is honored by
> these functions?

No.

> [b] options(?): how do I get R to not prompt me for saving the workspace
> upon exit, but to instead automatically save the command history
> .Rhistory but not the data .RData ?

you can define a function like:

Q <- function (save = "no", status = 0, runLast = TRUE){

   savehistory()
   .Internal(quit(save, status, runLast)) }

and call Q(), if you want to exit.

Uwe Ligges

> help appreciated.
>
> sincerely,
>
> /iaw
> ---
> ivo welch
> professor of finance and economics
> brown / nber / yale
>
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R-help@stat.math.ethz.ch mailing list
https://www.stat.math.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html Received on Sun Jul 04 02:18:12 2004

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