Nothing
\donttest{
data("Train", package="mlogit")
Train$ID <- Train$id
Train$CHOICE <- as.numeric(Train$choice)
mnl_test <- "
U_A = @B_price * $price_A / 1000 + @B_time * $time_A / 60;
U_B = @asc + @B_price * $price_B / 1000 + @B_timeB * $time_B / 60;
"
model_spec <- mixl::specify_model(mnl_test, Train, disable_multicore=T)
#only take starting values that are needed
est <- stats::setNames(c(1, 1,1,1), c("asc", "B_price", "B_time", "B_timeB"))
availabilities <- mixl::generate_default_availabilities(
Train, model_spec$num_utility_functions)
model <- mixl::estimate(model_spec, est, Train, availabilities = availabilities)
print(model)
}
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