I’m trying to plot the marginal_effects using a different theme than the default. In the example below I use theme_stata (my preferred theme) but I’ve also tried it with other themes. According to the help for the function marginal_effects I should be able to use a ggthemes theme. Anyone know what m…

You could try the package ggeffects, which also supports brms-models, e.g.: p <- purrr::map( c("Age", "Gender"), ~ ggeffects::ggpredict(fit, .x) %>% plot() + theme_stata() ) p [p1] [p2]

theme is an argument of the plot method of marginal_effects not of marginal_effects itself (see ?marginal_effects for details). In your case, go for plot(marginal_effects(fit), theme=theme_stata())

Thanks, that’s perfect! This toy data set actually has a lot of heteroscedasticity, when you see the plot. Looks like a good opportunity to toy around with the asymmetric laplace family

Paul, I’m in a similar situation: I’m using plot(marginal_effects(fit), theme_theme_tufte()), but then I’d also like to change the color of the line which defaults to blue. I’ve tried lots of combinations by now (using different ggplot2 calls, or even using par() directly), but alas, it’s still blu…

plot(marginal_effects(...)) returns a list of ggplot objects. You can extract and amend each element to your needs using ggplot2.

[image] paul.buerkner: plot(marginal_effects(…)) Which version of brms do I need for this? plot(marginal_effects(…)) Error in plot(marginal_effects(…)) : ‘…’ used in an incorrect context`

The ... was just a placeholder for all arguments you might want to use ;-)

Oh, and the reason for why it didn’t work originally was actually me sitting in RStudio. When several plots get printed by a function then RStudio says: Hit <Return> to see next plot: so if I save the object I also need to be explicit about which plot I want to manipulate, e.g., p$one_of_the_plots +…

Getting ggthemes to work with marginal effects plots

Interfaces brms

torkar June 3, 2018, 5:19pm 7

Much appreciated - and as always you reply quickly. Thanks a lot!

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Getting ggthemes to work with marginal effects plots

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