Hello again -
I found a problem in sim() when the model has a single independent variable.
data(sanction)
sanction$ncost <- factor(sanction$ncost, ordered = TRUE,
levels = c("net gain","little effect",
"modest loss", "major loss"))
z.out <- zelig(as.factor(cost) ~ mil, model = "oprobit", data = sanction)
x.low <- setx(z.out, mil = 0)
x.high <- setx(z.out, mil = 1)
s.out <- sim(z.out, x = x.low, x1 = x.high)
Error in matrix(factor(pr, labels = lev[1:length(lev) %in%
sort(unique(pr))], :
non-numeric matrix extent
(I replicated the error in the vnc.hmdc.harvard.edu server)
best,
-eduardo
-
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