[R-sig-ME] Paired ttest using lme4
Jarrod Hadfield
j@h@d||e|d @end|ng |rom ed@@c@uk
Mon Jun 17 16:15:32 CEST 2024
Hi Ghader,
a) tt is not set up in the correct way for a pair t-test.
b) the mixed model assumes the variances are equal, but the call to t.test specifies them to be different.
t.test(tt2[1:3,3], tt2[4:6,3], var.equal=TRUE)
is identical to lmer.
Cheers,
Jarrod
On 17 Jun 2024, at 16:01, Ghader Mirzaghaderi via R-sig-mixed-models <r-sig-mixed-models using r-project.org> wrote:
var.equal = F
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