Re: [R] Testing year effect in lm() ***failed first time, sending again

2009-08-06 Thread Emmanuel Charpentier
Le mercredi 05 août 2009 à 09:52 -0700, Mark Difford a écrit : Emmanuel, somewhat incomplete help pages : what in h*ll are valid arguments to mcp() beyond Tukey ??? Curently, you'll have to dig in the source to learn that...). Not so: they are clearly stated in ?contrMat. Oops.. I

Re: [R] Testing year effect in lm() ***failed first time, sending again

2009-08-05 Thread Emmanuel Charpentier
Le jeudi 30 juillet 2009 à 16:41 -0600, Mark Na a écrit : Dear R-helpers, I have a linear model with a year effect (year is coded as a factor), i.e. the parameter estimates for each level of my year variable have significant P values (see some output below) and I am interested in testing:

Re: [R] Testing year effect in lm() ***failed first time, sending again

2009-08-05 Thread Mark Difford
Emmanuel, somewhat incomplete help pages : what in h*ll are valid arguments to mcp() beyond Tukey ??? Curently, you'll have to dig in the source to learn that...). Not so: they are clearly stated in ?contrMat. Regards, Mark. Emmanuel Charpentier-3 wrote: Le jeudi 30 juillet 2009 à

[R] Testing year effect in lm() ***failed first time, sending again

2009-07-30 Thread Mark Na
Dear R-helpers, I have a linear model with a year effect (year is coded as a factor), i.e. the parameter estimates for each level of my year variable have significant P values (see some output below) and I am interested in testing: a) the overall effect of year; b) the significance of each year