Re: [R] discriminant function analysis

2013-04-07 Thread Bert Gunter
PLEASE, please ... learn to use R's Help system before posting here! within R: >??"discriminant analysis" ## short form of: help.search("discriminant analysis") ?help ?help.search or even google something like: "R software discriminant analysis" Cheers, Bert On Sun, Apr 7, 2013 at 11:25 A

Re: [R] discriminant function analysis

2010-11-26 Thread Gavin Simpson
; I wanted to run a discriminant function as a comparison. Is PCA more > > robust at detecting differences based on the morphometrics? > > > > Can you give me the details of your masters (title, school, ect) so I can > > reference it. > > > > Mike >

Re: [R] discriminant function analysis

2010-11-25 Thread Chris Mcowen
ct.org > > From: chrismco...@me.com > > Subject: Re: [R] discriminant function analysis > > Date: Tue, 16 Nov 2010 22:12:32 + > > To: megalop...@hotmail.com > > > > Hi, > > > > I did this exact thing for my masters, with intertidal fish, I just use

Re: [R] discriminant function analysis

2010-11-24 Thread Gavin Simpson
On Tue, 2010-11-16 at 12:01 -0500, Mike Gibson wrote: > My objective is to look at differences in two species of fish from > morphometric measurements. My morphometric measurements are head > length, eye diameter, snout length, and measurements from tail to each > fin. I want to use discrimanant f

Re: [R] discriminant function analysis

2010-11-16 Thread Chris Mcowen
Hi, I did this exact thing for my masters, with intertidal fish, I just used a PCA? have you tried that? Sent from my iPhone On 16 Nov 2010, at 17:01, Mike Gibson wrote: > > My objective is to look at differences in two species of fish from > morphometric measurements. My morphometric me

Re: [R] Discriminant function analysis

2008-02-07 Thread Birgit Lemcke
Thank you all for your good advices and codes. I know really that I have huge deficits in statistics knowledge and I am really working on it, but its not done in five minutes. Anyway thank you very match for your help. Greets Birgit Am 07.02.2008 um 17:34 schrieb Gavin Simpson: > On Thu, 200

Re: [R] Discriminant function analysis

2008-02-07 Thread Gavin Simpson
On Thu, 2008-02-07 at 11:16 -0400, tyler wrote: > On Thu, Feb 07, 2008 at 02:36:58PM +, Gavin Simpson wrote: > > > > But I'm not sure this matters much. If you use the formula interface to > > lda(), factors get expanded to the dummy variables Tyler is talking > > about. But of course, a facto

Re: [R] Discriminant function analysis

2008-02-07 Thread Prof Brian Ripley
On Thu, 7 Feb 2008, Tyler Smith wrote: On 2008-02-07, Birgit Lemcke <[EMAIL PROTECTED]> wrote: Am 06.02.2008 um 21:00 schrieb Tyler Smith: My dataset contains variables of the classes factor and numeric. Is there another function that is able to handle this? The numeric variables are fine

Re: [R] Discriminant function analysis

2008-02-07 Thread tyler
On Thu, Feb 07, 2008 at 02:36:58PM +, Gavin Simpson wrote: > > But I'm not sure this matters much. If you use the formula interface to > lda(), factors get expanded to the dummy variables Tyler is talking > about. But of course, a factor with two levels 0/1 doesn't need much > manipulation as

Re: [R] Discriminant function analysis

2008-02-07 Thread Gavin Simpson
hits=-2.6 tests�YES_00 X-USF-Spam-Flag: NO On Thu, 2008-02-07 at 13:21 +, Tyler Smith wrote: > On 2008-02-07, Birgit Lemcke <[EMAIL PROTECTED]> wrote: > > > > Am 06.02.2008 um 21:00 schrieb Tyler Smith: > >> > >>> My dataset contains variables of the classes factor and numeric. Is > >>> there

Re: [R] Discriminant function analysis

2008-02-07 Thread Tyler Smith
On 2008-02-07, Birgit Lemcke <[EMAIL PROTECTED]> wrote: > > Am 06.02.2008 um 21:00 schrieb Tyler Smith: >> >>> My dataset contains variables of the classes factor and numeric. Is >>> there another function that is able to handle this? >> >> The numeric variables are fine. The factor variables may h

Re: [R] Discriminant function analysis

2008-02-07 Thread Birgit Lemcke
Am 06.02.2008 um 21:00 schrieb Tyler Smith: > On 2008-02-06, Birgit Lemcke <[EMAIL PROTECTED]> wrote: >> >> I am using R 2.6.1 on a PowerBook G4. >> I would like to perform a discriminant function analysis. I found lda >> in MASS but as far as I understood, is it only working with >> explanatory

Re: [R] Discriminant function analysis

2008-02-06 Thread Tyler Smith
On 2008-02-06, Birgit Lemcke <[EMAIL PROTECTED]> wrote: > > I am using R 2.6.1 on a PowerBook G4. > I would like to perform a discriminant function analysis. I found lda > in MASS but as far as I understood, is it only working with > explanatory variables of the class factor. I think you are