Nothing
## ---- include = FALSE---------------------------------------------------------
knitr::opts_chunk$set(
collapse = TRUE,
comment = "#>",
fig.path = "img/",
fig.align = "center",
fig.dim = c(8, 6),
out.width = "75%"
)
library("RprobitB")
options("RprobitB_progress" = FALSE)
## ---- overview-Train-data-----------------------------------------------------
data("Train", package = "mlogit")
str(Train)
## ---- train-formula-----------------------------------------------------------
form <- choice ~ price + time + comfort + change | 0
## ---- train-re----------------------------------------------------------------
re <- c("price","time")
## ---- eval = FALSE------------------------------------------------------------
# data <- prepare_data(form = form, choice_data = choice_data)
## ---- prepare-Train-----------------------------------------------------------
data <- prepare_data(form = form, choice_data = Train, re = re, id = "id", idc = "choiceid")
## ---- summary-Train-----------------------------------------------------------
summary(data)
plot(data)
## ---- eval = FALSE------------------------------------------------------------
# data <- simulate_choices(form = form, N = N, T = T, J = J)
## ---- data-sim-meta-----------------------------------------------------------
N <- 100
T <- 10
alternatives <- c("A", "B")
base <- "B"
form <- choice ~ var1 | var2 | var3
re <- c("ASC", "var2")
## ---- data-sim-overview-------------------------------------------------------
overview_effects(form = form, re = re, alternatives = alternatives, base = base)
## ---- data-sim----------------------------------------------------------------
data <- simulate_choices(
form = form,
N = N,
T = T,
J = 2,
re = re,
alternatives = alternatives,
seed = 1,
true_parameter = list(
alpha = c(-1,0,1),
b = matrix(c(2,-0.5), ncol = 1)
)
)
summary(data)
## ---- data-plot-by-choice-----------------------------------------------------
plot(data, by_choice = TRUE)
## ---- data-split-deciders-----------------------------------------------------
train_test(data, test_proportion = 0.3, by = "N")
## ---- data-split-occasions----------------------------------------------------
train_test(data, test_number = 2, by = "T", random = TRUE, seed = 1)
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