Re: [R] Comparing variance components

2016-02-16 Thread Bert Gunter
gt; > > > > > > > > > > > -Original Message- > > From: R-help [mailto:r-help-boun...@r-project.org ] On > Behalf Of Wen Huang > > Sent: Tuesday, February 16, 2016 10:57 AM > > To: r-help@r-project.org > > Subject: [R] Comparing varian

Re: [R] Comparing variance components

2016-02-16 Thread Wen Huang
r-project.org] On Behalf Of Wen Huang > Sent: Tuesday, February 16, 2016 10:57 AM > To: r-help@r-project.org > Subject: [R] Comparing variance components > > Dear R-help members, > > Say I have two data sets collected at different times with the same design. I > fit a mix

Re: [R] Comparing variance components

2016-02-16 Thread Doran, Harold
rg] On Behalf Of Wen Huang Sent: Tuesday, February 16, 2016 10:57 AM To: r-help@r-project.org Subject: [R] Comparing variance components Dear R-help members, Say I have two data sets collected at different times with the same design. I fit a mixed model using in R using lmer lmer(y ~ (1|A)) to

[R] Comparing variance components

2016-02-16 Thread Wen Huang
Dear R-help members, Say I have two data sets collected at different times with the same design. I fit a mixed model using in R using lmer lmer(y ~ (1|A)) to these data sets and get two estimates of sigma2_A and sigma2_e What would be a good way to compare sigma2_A and sigma2_e for these two d