search for: smokeno

Displaying 2 results from an estimated 2 matches for "smokeno".

2006 Jul 21
1
Parameterization puzzle
...Estimate Std. Error z value Pr(>|z|) (Intercept) -5.8368 0.1213 -48.103 < 2e-16 *** poly(age, 2)1 3.9483 0.1755 22.497 < 2e-16 *** poly(age, 2)2 -1.0460 0.1448 -7.223 5.08e-13 *** SmokeYes 0.5183 0.1262 4.106 4.02e-05 *** SmokeNo:poly(age, 1) 1.3755 0.4340 3.169 0.00153 ** SmokeYes:poly(age, 1) NA NA NA NA Why do we get a SmokeNo:poly(age, 1) term? Can I re-express mod2.glm so that this term does not appear? Cheers, Murray Jorgensen -- Dr Murray Jorgensen http://www.stats.waikat...
2006 Jul 21
0
[Fwd: Re: Parameterization puzzle]
...;> (Intercept) -5.8368 0.1213 -48.103 < 2e-16 *** >> poly(age, 2)1 3.9483 0.1755 22.497 < 2e-16 *** >> poly(age, 2)2 -1.0460 0.1448 -7.223 5.08e-13 *** >> SmokeYes 0.5183 0.1262 4.106 4.02e-05 *** >> SmokeNo:poly(age, 1) 1.3755 0.4340 3.169 0.00153 ** >> SmokeYes:poly(age, 1) NA NA NA NA >> >> Why do we get a SmokeNo:poly(age, 1) term? Can I re-express mod2.glm so >> that this term does not appear? >> >> Cheers, Murray Jorgensen &...