[R] missing values for mda package

[zhu wang]

Thanks. I was able to use na.omit to remove NAs. But it seems to me this
kills one of the advantages of the original algorithm for handling
missing values.

On Tue, 2004-04-06 at 11:54, Uwe Ligges wrote:
> zhu wang wrote:
> > 
> > Dear helpers,
> > 
> > I am trying to use the mda package downloaded from the R website, but
> > the data set has missing values so I got an error message. Should I
> > manually handle these missing values? I was trying to read the documents
> > to specify any option related to missing values, but I did not find it.
> > Please forgive me if I ignore something obvious.
> 
> If it is not documented (hence probably not available) and you don't
> know how to tell the functions to handle missing values, try to do it
> "yourself". ?NA suggests:
> "See Also: [...] 'na.action', 'na.omit', 'na.fail' on how methods can be
> tuned to deal with missing values."
> 
> Uwe Ligges
> 
> 
> 
> > Thanks,
> > 
> > Zhu Wang
> > 
> > Statistical Science Department
> > Southern Methodist University
> > Dallas, TX 75275-0332
> > Phone: (214)768-2453
> > Fax: (214)768-4035
> > Email: zhuw at mail.smu.edu
> > 
> > ______________________________________________
> > R-help at 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
-- 
Zhu Wang

Statistical Science Department
Southern Methodist University
Dallas, TX 75275-0332
Phone: (214)768-2453
Fax: (214)768-4035
Email: zhuw at mail.smu.edu