Re: [R] Modality Test

2008-09-10 Thread Mark Difford
Genentech -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Mark Difford Sent: Tuesday, September 09, 2008 1:23 PM To: r-help@r-project.org Subject: Re: [R] Modality Test Hi Amin, And I have just remembered that there is a function called curveRep

[R] Modality Test

2008-09-09 Thread Amin W. Mugera
Dear Readers: I have two issues in nonparametric statistical analysis that i need help: First, does R have a package that can implement the multimodality test, e.g., the Silverman test, DIP test, MAP test or Runt test. I have seen an earlier thread (sometime in 2003) where someone was trying to

Re: [R] Modality Test

2008-09-09 Thread roger koenker
the diptest package, perhaps? url:www.econ.uiuc.edu/~rogerRoger Koenker email[EMAIL PROTECTED]Department of Economics vox: 217-333-4558University of Illinois fax: 217-244-6678Champaign, IL 61820 On Sep 9, 2008, at

Re: [R] Modality Test

2008-09-09 Thread Mark Difford
Hi Amin, First, does R have a package that can implement the multimodality test, e.g., the Silverman test, DIP test, MAP test or Runt test. Jeremy Tantrum (a Ph.D. student of Werner Steutzle's, c. 2003/04) did some work on this. There is some useful code on Steutzle's website:

Re: [R] Modality Test

2008-09-09 Thread Mark Difford
Whoops! I think that should be Stuetzle --- though I very much doubt that he reads the list. Mark Difford wrote: Hi Amin, First, does R have a package that can implement the multimodality test, e.g., the Silverman test, DIP test, MAP test or Runt test. Jeremy Tantrum (a Ph.D. student

Re: [R] Modality Test

2008-09-09 Thread Mark Difford
Hi Amin, And I have just remembered that there is a function called curveRep in Frank Harrell's Hmisc package that might be useful, even if not quite in the channel of your enquiry. curveRep was added to the package after my struggles, so I never used it and so don't know how well it performs

Re: [R] Modality Test

2008-09-09 Thread Bert Gunter
-Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Mark Difford Sent: Tuesday, September 09, 2008 1:23 PM To: r-help@r-project.org Subject: Re: [R] Modality Test Hi Amin, And I have just remembered that there is a function called curveRep in Frank Harrell's