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monping
2012 Oct 15
0
Error message with the effects package - 'Subscript out of bounds'
I am using the effects package to construct some probability graphs showing
the predicted probabilities from a logistic regression model.
However, I get an odd error message and don't know what the issue is.
When I attempt to generate the plots, I get the following error:
dat$won_ping = as.factor(dat$won_ping)
mod2 = glm(won_ping ~ our_bid +
age_of_oldest_driver2 +
credit_type2 +
coverage_type2 +
home_owner2 +
vehicle_driver_score +
currently_insured2 +
zipcode2,
data=dat, family=binomial(link="logit"))
> plot(effect("our_bid*home_owner2"...