Re: [R] CORRECTION: Re: Multicollinearity with brglm?

2009-04-01 Thread Ioannis Kosmidis
Could you please include some code that demonstrates your problem? Best wishes, Ioannis On Wednesday 01 April 2009 15:26:33 woodbomb wrote: > I'm running brglm to do binomial loguistic regression. > > The perhaps multicollinearity-related feature(s) are: > > (1) the k IVs are all binary categori

Re: [R] CORRECTION: Re: Multicollinearity with brglm?

2009-04-02 Thread Ioannis Kosmidis
Thanks for your mail. I guess that the constant row sum on X would create problems in a simulation framework because you might end up with linearly dependent columns or even with columns of zeros (which I believe do not make much sense). First of all, I think there is a problem with your examp

Re: [R] sort matrix based on a specific order

2013-01-10 Thread Ioannis Kosmidis
c" > [2,] "x" "b" > [3,] "z" "d" > [4,] "w" "a" > > Is there any simple function that can do this? > > Thanks > > John > > [[alternative HTML version deleted]] > > __

Re: [R] GLM coefficients

2008-02-06 Thread Ioannis Kosmidis
) for the available objects. For coefficients standard errors and t-tests > summ$coefficients Again do this for any object other than "coefficients" you would want from names(summ). Best regards, Ioannis Kosmidis On 6 Feb 2008, at 15:06, Munyandorero, Joseph wrote: >

Re: [R] OT: (quasi-?) separation in a logistic GLM

2008-12-16 Thread Ioannis Kosmidis
son Building, [e] gavin.simpsonATNOSPAMucl.ac.uk > Gower Street, London [w] http://www.ucl.ac.uk/~ucfagls/ > UK. WC1E 6BT. [w] http://www.freshwaters.org.uk > %~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~% > > _

Re: [R] OT: (quasi-?) separation in a logistic GLM

2008-12-16 Thread Ioannis Kosmidis
phy, [f] +44 (0)20 7679 0565 > Pearson Building, [e] gavin.simpsonATNOSPAMucl.ac.uk > Gower Street, London [w] http://www.ucl.ac.uk/~ucfagls/ > UK. WC1E 6BT. [w] http://www.freshwaters.org.uk > %~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~