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by mcfanda@gmail.com
Wed Oct 29, 2025 9:03 am
Forum: Help
Topic: GAMLj3 - robust standard errors for poisson regression
Replies: 10
Views: 4690

Re: GAMLj3 - robust standard errors for poisson regression

it's coming out in a few days
by mcfanda@gmail.com
Wed Oct 22, 2025 10:26 am
Forum: Help
Topic: GAMLj3 - robust standard errors for poisson regression
Replies: 10
Views: 4690

Re: GAMLj3 - robust standard errors for poisson regression

Done, robust standard error for poisson and other generalized models are now implemented. Check version 3.6.4 on monday
by mcfanda@gmail.com
Tue Oct 21, 2025 11:18 pm
Forum: Help
Topic: gamlj3: Trying to achieve cross-application replication of generalized linear mixed effects model
Replies: 5
Views: 3316

Re: gamlj3: Trying to achieve cross-application replication of generalized linear mixed effects model

[this is equivalent to gamlj results in R file<-"local/data/mer_jasp.csv" data<-read.csv(file) data$Framing<-factor(data$Framing) contrasts(data$Framing)<--contr.sum(2)/2 data$BothDisliked<<-factor(data$BothDisliked) contrasts(data$BothDisliked)<--contr.sum(2)/2 data$Participant<-factor(da...
by mcfanda@gmail.com
Tue Oct 21, 2025 10:14 pm
Forum: Help
Topic: gamlj3: Trying to achieve cross-application replication of generalized linear mixed effects model
Replies: 5
Views: 3316

Re: gamlj3: Trying to achieve cross-application replication of generalized linear mixed effects model

you should also be sure that the random component is the same in jasè and jamovi. If I am not mistaken, in gamlj you did not include the random intercept.
by mcfanda@gmail.com
Tue Oct 21, 2025 10:11 pm
Forum: Help
Topic: gamlj3: Trying to achieve cross-application replication of generalized linear mixed effects model
Replies: 5
Views: 3316

Re: gamlj3: Trying to achieve cross-application replication of generalized linear mixed effects model

jasp uses deviation constrasts. So, in gamlj set constrats to "deviation" coding. However, your model has singular fit, so results are not exactly the same because gamlj tries different optimizers (i do not know how jasp handles these cases). Nonetheless, results are pretty similar, roundi...
by mcfanda@gmail.com
Tue Oct 21, 2025 3:09 pm
Forum: Help
Topic: linear mixed model not completing analysis
Replies: 2
Views: 2821

Re: linear mixed model not completing analysis

Please update the module and it will work
by mcfanda@gmail.com
Tue Oct 21, 2025 3:06 pm
Forum: Help
Topic: GAMLj3 - robust standard errors for poisson regression
Replies: 10
Views: 4690

Re: GAMLj3 - robust standard errors for poisson regression

consider testing the results you obtain with HC SE against the results of gamlj3 Poisson (overdispersion), which employs a quasi-poisson distribution that corrects for overdispersion, pretty much what the HC SE do.
by mcfanda@gmail.com
Tue Oct 21, 2025 3:03 pm
Forum: Help
Topic: GAMLj3 - robust standard errors for poisson regression
Replies: 10
Views: 4690

Re: GAMLj3 - robust standard errors for poisson regression

Well, everything can be done if can be useful. The question is: what robust standard error do you actually use? To be precise, do you mean the standard error STATA produces with vce(robust). If so, they are the HC estimators, aka heteroskedasticity-consistent covariance matrix estimators. If that's ...
by mcfanda@gmail.com
Thu Oct 16, 2025 10:24 pm
Forum: Help
Topic: GAMLj3 - robust standard errors for poisson regression
Replies: 10
Views: 4690

Re: GAMLj3 - robust standard errors for poisson regression

At present, they are not implemented. Nevertheless, what would be the theoretical rationale for employing robust standard errors in generalized linear models? In standard GLMs, robust estimators are typically used to correct for heteroscedasticity or related violations of model assumptions; however,...