Re: [R] ANCOVA for linear regressions without intercept

2011-04-05 Thread Yusuke Fukuda
PM To: Yusuke Fukuda; 'Peter Ehlers' Cc: r-help@r-project.org Subject: RE: [R] ANCOVA for linear regressions without intercept Hi Yusuke, Does the following get what you are after? ### Make some test data. > set.seed(123) > edf <- data.frame(sex = c(rep("Male"

Re: [R] ANCOVA for linear regressions without intercept

2011-04-05 Thread Yusuke Fukuda
rc.ca] Sent: Tuesday, 5 April 2011 12:08 PM To: Yusuke Fukuda; 'Peter Ehlers' Cc: r-help@r-project.org Subject: RE: [R] ANCOVA for linear regressions without intercept Hi Yusuke, Does the following get what you are after? ### Make some test data. > set.seed(123) > edf <- data

Re: [R] ANCOVA for linear regressions without intercept

2011-04-04 Thread Steven McKinney
ot;blue", lty = 2) > abline(a = 0, b = coef(lmr1f)[2], col = "orange", lty = 2, lwd = 4) > The other two tests can be set up and run similarly. Don't forget to adjust for multiple comparisons... HTH Steve Steven McKinney, Ph.D. Statistician Molecular Oncology an

Re: [R] ANCOVA for linear regressions without intercept

2011-04-04 Thread Yusuke Fukuda
ssage- From: Peter Ehlers [mailto:ehl...@ucalgary.ca] Sent: Saturday, 2 April 2011 1:35 AM To: Yusuke Fukuda Cc: 'Bert Gunter'; r-help@r-project.org Subject: Re: [R] ANCOVA for linear regressions without intercept See inline. On 2011-03-31 22:22, Yusuke Fukuda wrote: > Thanks Ber

Re: [R] ANCOVA for linear regressions without intercept

2011-04-01 Thread Peter Ehlers
usuke Fukuda Cc: r-help@r-project.org Subject: Re: [R] ANCOVA for linear regressions without intercept If you haven't already received an answer, a careful reading of ?formula will provide it. -- Bert On Wed, Mar 30, 2011 at 11:42 PM, Yusuke Fukuda wrote: Hello R experts I have two linear regre

Re: [R] ANCOVA for linear regressions without intercept

2011-03-31 Thread Yusuke Fukuda
fference is significant or not. Thanks for your help. From: Bert Gunter [mailto:gunter.ber...@gene.com] Sent: Friday, 1 April 2011 12:56 AM To: Yusuke Fukuda Cc: r-help@r-project.org Subject: Re: [R] ANCOVA for linear regressions without intercept If y

Re: [R] ANCOVA for linear regressions without intercept

2011-03-31 Thread Bert Gunter
If you haven't already received an answer, a careful reading of ?formula will provide it. -- Bert On Wed, Mar 30, 2011 at 11:42 PM, Yusuke Fukuda wrote: > > Hello R experts > > I have two linear regressions for sexes (Male, Female, Unknown). All have a > good correlation between body length (r