Hi there, I cant seem to find a way for the lowess smoothing function to handle "NA" values. Can anyone help?? Regards, Wayne Dr Wayne R. Jones Statistician / Research Analyst KSS Group plc St James''s Buildings 79 Oxford Street Manchester M1 6SS Tel: +44(0)161 609 4084 Mob: +44(0)7810 523 713 KSS Ltd A division of Knowledge Support Systems Group plc Seventh Floor St James''s Buildings 79 Oxford Street Manchester M1 6SS England Company Registration Number 2800886 (Limited) 3449594 (plc) Tel: +44 (0) 161 228 0040 Fax: +44 (0) 161 236 6305 mailto:kssg@kssg.com kssg.com The information in this Internet email is confidential and may b... {{dropped}}
On 27 Mar 2003 at 10:38, Wayne Jones wrote: Check out the version og lowess in the gregmisc package, it has a formula interface and na.action argument. (Why cannot this be included in base R, to avoid having two othervise identical functions?) Kjetil Halvorsen> Hi there, > > I cant seem to find a way for the lowess smoothing function to handle "NA" > values. > > Can anyone help?? > > Regards, > > Wayne > > > Dr Wayne R. Jones > Statistician / Research Analyst > KSS Group plc > St James''s Buildings > 79 Oxford Street > Manchester M1 6SS > Tel: +44(0)161 609 4084 > Mob: +44(0)7810 523 713 > > > > KSS Ltd > A division of Knowledge Support Systems Group plc > Seventh Floor St James''s Buildings 79 Oxford Street Manchester M1 6SS England > Company Registration Number 2800886 (Limited) 3449594 (plc) > Tel: +44 (0) 161 228 0040 Fax: +44 (0) 161 236 6305 > mailto:kssg at kssg.com kssg.com > > > The information in this Internet email is confidential and may b... {{dropped}} > > ______________________________________________ > R-help at stat.math.ethz.ch mailing list > stat.math.ethz.ch/mailman/listinfo/r-help
On Thu, 27 Mar 2003, kjetil brinchmann halvorsen wrote:> On 27 Mar 2003 at 10:38, Wayne Jones wrote: > > Check out the version og lowess in the gregmisc package, it has a > formula interface and na.action argument. > (Why cannot this be included in base R, to avoid having two othervise > identical functions?)The one in R is a long-standing S-compatible one, and in S lowess was superseded by loess over a decade ago. So a better answer is `use loess instead''.> > I cant seem to find a way for the lowess smoothing function to handle "NA" > > values.-- Brian D. Ripley, ripley at stats.ox.ac.uk Professor of Applied Statistics, stats.ox.ac.uk/~ripley University of Oxford, Tel: +44 1865 272861 (self) 1 South Parks Road, +44 1865 272866 (PA) Oxford OX1 3TG, UK Fax: +44 1865 272595