-
-
Notifications
You must be signed in to change notification settings - Fork 28
Open
Labels
enhancementEnhancements of existing features, but also new feature requests.Enhancements of existing features, but also new feature requests.
Description
This is a feature request to allow the dispersion parameter to be observation-specific, as, for example, in models like the following:
library(brms)
set.seed(4734)
data_het <- data.frame(
y = c(rnorm(50), rnorm(50, 1, 2)),
x = factor(rep(c("a", "b"), each = 50)),
se_y = rgamma(100, shape = 1)
)
fit6 <- brm(y | se(se_y, sigma = TRUE) ~ x, data = data_het)
stancode(fit6)
str(standata(fit6))
This came up in https://discourse.mc-stan.org/t/accounting-for-measurement-error-during-variable-selection-with-projpred-possibly-with-rstanarm-or-brms/11789.
Metadata
Metadata
Assignees
Labels
enhancementEnhancements of existing features, but also new feature requests.Enhancements of existing features, but also new feature requests.