## ----include = FALSE----------------------------------------------------------
knitr::opts_chunk$set(collapse = TRUE, comment = "#>")
set.seed(2026)

## -----------------------------------------------------------------------------
library(GLBFP)

## -----------------------------------------------------------------------------
n <- 250
group <- rbinom(n, size = 1, prob = 0.5)

x <- cbind(
  rnorm(n, mean = ifelse(group == 1, -1.2, 1.2), sd = 0.7),
  rnorm(n, mean = ifelse(group == 1, 1.0, -1.0), sd = 0.8)
)

colnames(x) <- c("x1", "x2")

b <- compute_bi_optim(x, m = c(1, 1))
b

## -----------------------------------------------------------------------------
x0 <- c(0, 0)

ash_fit <- ash(x0, x, b = b, m = c(1, 1))
lbfp_fit <- lbfp(x0, x, b = b)
glbfp_fit <- glbfp(x0, x, b = b, m = c(1, 1))

c(
  ASH = ash_fit$estimation,
  LBFP = lbfp_fit$estimation,
  GLBFP = glbfp_fit$estimation
)

## -----------------------------------------------------------------------------
grid_fit <- glbfp_estimate(x, b = b, m = c(1, 1), grid_size = 20)
summary(grid_fit)
head(as.data.frame(grid_fit))

## -----------------------------------------------------------------------------
plot(grid_fit, contour = TRUE)

## -----------------------------------------------------------------------------
surface <- plot(grid_fit, contour = FALSE)
surface