search for: mylme0

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2004 Jul 12
2
lme unequal random-effects variances varIdent pdMat Pinheiro Bates nlme
...;- lme( y ~ time, data=DAT, random=~time | id, subset=sex=="M") StdDev Corr (Intercept) 10.1537946 (Intr) time 0.1230063 -0.744 Residual 0.1298910 I would like to use a likelihood ratio to test this difference. The smaller ("null") model would be mylme0 <- lme( y ~ time, data=DAT, random=~time | id ) . This model forces the random intercepts for both boys and girls to come from a single normal distribution. The larger model would allow the boys' and girls' random intercepts (or more generally their random effects) to come from separa...
2004 Jul 12
0
Where does R search when source() ?
..., data=DAT, random=~time | id, subset=sex=="M") | | StdDev Corr | (Intercept) 10.1537946 (Intr) | time 0.1230063 -0.744 | Residual 0.1298910 | | I would like to use a likelihood ratio to test this difference. The | smaller ("null") model would be | | mylme0 <- lme( y ~ time, data=DAT, random=~time | id ) . | | This model forces the random intercepts for both boys and girls to come | from a single normal distribution. | | The larger model would allow the boys' and girls' random intercepts (or | more generally their random effects) to come f...