Re: [R] predict "interval" for lmRob?

2009-04-08 Thread Galkowski, Jan
[snip] >Discarding actual data points always makes me nervous. Sometimes the points >we want to discard are actually the most interesting. No doubt this is true, and there's a lot of information in those outliers, a lot of structure. For instance, in this case, one part of the outlier popu

Re: [R] predict "interval" for lmRob?

2009-04-08 Thread Greg Snow
> -Original Message- > From: Galkowski, Jan [mailto:jgalk...@akamai.com] > Sent: Wednesday, April 08, 2009 12:28 PM > To: Greg Snow; r-help@r-project.org > Subject: RE: predict "interval" for lmRob? [snip] > It sounds to me like I might use the robust regression to decide what > to discar

Re: [R] predict "interval" for lmRob?

2009-04-08 Thread Galkowski, Jan
- > project.org] On Behalf Of Galkowski, Jan > Sent: Wednesday, April 08, 2009 9:32 AM > To: r-help@r-project.org > Subject: [R] predict "interval" for lmRob? > > lm's "predict" function offers an "interval" parameter to choose > between '

Re: [R] predict "interval" for lmRob?

2009-04-08 Thread Greg Snow
t; To: r-help@r-project.org > Subject: [R] predict "interval" for lmRob? > > lm's "predict" function offers an "interval" parameter to choose > between 'confidence' and 'prediction' bands. In the package "robust" > and f

[R] predict "interval" for lmRob?

2009-04-08 Thread Galkowski, Jan
lm's "predict" function offers an "interval" parameter to choose between 'confidence' and 'prediction' bands. In the package "robust" and for "lmRob", there is also a "predict" but it lacks such a parameter, and the documented "type" parameter has only "response" offerred. Is there some way of