Monotonic increasing effect in brms

Modeling
3

That (mostly) works! Slight modifications I had to make. I do have other variables, y and z

 prior1 <- c(set_prior("normal(0,5)", class="b", ub=0, nlpar="xinc"),
            set_prior("normal(0,5)", class="b", nlpar = "other"))

fit <- brm(bf(level ~ xinc + other,
              xinc ~ 0 + mo(x),
              other ~ y + z,
              nl=TRUE), 
              data=dat, 
              family=cumulative(),
              prior=prior1)

This is somewhat similar to what was suggested here that I couldn’t get to work. So thank you!

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