Ravi, You mean something /more/ explicit than the Usage section, wherein `na.action` only exists in the formula method?
I doubt we'd want RCore to go down the road of documenting all the arguments that do/don't work with particular methods included in an Rd file, beyond the Usage section. G On 30 May 2014 06:33, Ravi Varadhan <ravi.varad...@jhu.edu> wrote: > Thank you, Peter. Now I see that. > > I still think the documentation of `na.action' can be made more explicit > to state that this option is only used for princomp.formula. > > Best regards, > Ravi > > -----Original Message----- > From: peter dalgaard [mailto:pda...@gmail.com] > Sent: Friday, May 30, 2014 5:15 AM > To: Ravi Varadhan > Cc: r-devel@r-project.org > Subject: Re: [Rd] A bug in princomp(), perhaps? > > It's only documented to work for princomp.formula; other methods do not > know about na.action. > > -pd > > On 29 May 2014, at 22:10 , Ravi Varadhan <ravi.varad...@jhu.edu> wrote: > > > Hi, > > It may be my misunderstanding, but it seems that the "na.action" in the > princomp() function for principal components analysis does not work. > Please see this simple example: > > > > u <- matrix(rnorm(75), ncol=1) > > v <- matrix(rnorm(20), ncol=1) > > x <- u%*%t(v) + matrix(rnorm(20*75),ncol=20) x[1,1] <- NA pc.out <- > > princomp(x, na.action=na.exclude) Error in cov.wt(z) : 'x' must > > contain finite values only > >> > > > > Note, I have: > >> options("na.action") > > $na.action > > [1] "na.omit" > > > > Thanks, > > Ravi > > > > [[alternative HTML version deleted]] > > > > ______________________________________________ > > R-devel@r-project.org mailing list > > https://stat.ethz.ch/mailman/listinfo/r-devel > > -- > Peter Dalgaard, Professor, > Center for Statistics, Copenhagen Business School Solbjerg Plads 3, 2000 > Frederiksberg, Denmark > Phone: (+45)38153501 > Email: pd....@cbs.dk Priv: pda...@gmail.com > > ______________________________________________ > R-devel@r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-devel > -- Gavin Simpson, PhD [[alternative HTML version deleted]] ______________________________________________ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel
