search for: fm1b

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2016 Jul 15
2
summary() dispatch puzzle
.... Ideas/directions for further diagnoses? Is this an S3/S4 confusion, or something funny about the way the broom and merModLmerTest package are talking to each other, or ... ? cheers Ben Bolker ---- library(lme4) fm1 <- lmer(Reaction~Days+(Days|Subject),sleepstudy) library(lmerTest) fm1B <- as(fm1,"merModLmerTest") coef(summary(fm1B)) ## table with df and p values coef(lme4:::summary.merMod(fm1B)) ## table without df and p values is(fm1B,"merMod") ## TRUE library(broom) tidy(fm1B) ## hard to show what's going on without debugging through...
2016 Jul 18
0
summary() dispatch puzzle
...nd merModLmerTest package > are talking to each other, or ... ? I'm not sure, if I see your problem when I execute the reproducible code below ... > ---- > library(lme4) > fm1 <- lmer(Reaction~Days+(Days|Subject),sleepstudy) > library(lmerTest) > fm1B <- as(fm1,"merModLmerTest") > coef(summary(fm1B)) ## table with df and p values > coef(lme4:::summary.merMod(fm1B)) ## table without df and p values > is(fm1B,"merMod") ## TRUE > library(broom) > tidy(fm1B) Part of what I s...
2010 Dec 06
1
waldtest and nested models - poolability (parameter stability)
Dear All, I'm trying to use waldtest to test poolability (parameter stability) between two logistic regressions. Because I need to use robust standard errors (using sandwich), I cannot use anova. anova has no problems running the test, but waldtest does, indipendently of specifying vcov or not. waldtest does not appear to see that my models are nested. H0 in my case is the the vector of