[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

*Subject*: Re: help in converting PV-Wave code to IDL*From*: rkj(at)dukebar.crml.uab.edu (R. Kyle Justice)*Date*: 5 Mar 2001 15:35:15 GMT*Newsgroups*: comp.lang.idl-pvwave*Organization*: University of Alabama at Birmingham*References*: <3AA373AB.447B044F@uea.ac.uk>*Xref*: news.doit.wisc.edu comp.lang.idl-pvwave:23842

Peter Thorne (peter.thorne@uea.ac.uk) wrote: : Hi all, : I was wondering if I could pick your collective brains on this one. I've : been sent some PV-Wave code which I need to convert to IDL. I've managed : nearly all of it, in fact there is but one sticking point ... : In their code they make the following call: : alpha=multiregress(evects,obs, /no, res=res) : without having recourse to the PV-Wave documentation I can work out that : evects is X and obs Y in this multi-linear regression, and I'm guessing : that res is the residuals which would make sense in terms of further : statements afterwards. However, I have no idea what keyword no performs : in the PV-Wave function. The closest equivalent IDL function which I can : find is regress, but this doesn't seem to have the ability to return the : residuals on keyword call. I may be barking up the wrong tree though on : this one. : Thanks for your help : Peter According to the IMSL Stats Reference, /No refers to /No_Intercept. "When No_INtercept is specified, the total weighted sum of squares is the sum of squares of yi, the so-called uncorrected total weighted sum of squares." Kyle J.

**References**:**help in converting PV-Wave code to IDL***From:*Peter Thorne

- Prev by Date:
**Re: Plotting values in a map.** - Next by Date:
**Re: write DICOM file...** - Prev by thread:
**help in converting PV-Wave code to IDL** - Next by thread:
**write DICOM file...** - Index(es):