Nothing
# Obtener moda
moda <- function(x) {
names(which.max(table(x)))
}
# Obtiene todos los indices de los grupos.
calc_cross_groups <- function(x) {
pred <- c()
test <- data.frame()
for (g in names(x)) {
pred <- c(pred, x[[g]]$pred$prediction)
var.pred <- x[[g]]$pred$var.pred
test <- rbind(test, x[[g]]$test)
}
pred <- list(prediction = pred, var.pred = var.pred)
res <- traineR::general.indexes(test, pred)
return(res)
}
# Obtiene todos los indices promedio.
calc_cross_index <- function(x) {
res <- 0
n <- 0
for (vc in names(x)) {
indices <- data.frame(calc_cross_groups(x[[vc]]))
res <- res + indices
n <- n + 1
}
return(res / n)
}
# Obtiene la tabla para los grupos.
table_group <- function(x, grupos) {
res <- data.frame()
for (g in names(x)) {
gi <- as.numeric(gsub("G", "", g))
ids <- grupos[[gi]]
nuevo <- data.frame(
ids = grupos[[gi]],
pred = x[[g]]$pred$prediction
)
res <- rbind(res, nuevo)
}
res <- res[order(res$ids), ]
return(res$pred)
}
# Obtiene la probabilidad promedio.
cross_group <- function(x, grupos) {
pred <- 0
n <- 0
for (vc in names(x)) {
vci <- as.numeric(gsub("VC", "", vc))
pred <- pred + table_group(x[[vc]], grupos[[vci]])
n <- n + 1
}
pred <- pred / n
return(pred)
}
# Obtiene todos los errores promedio.
calc_cross_error <- function(x, ind = "RMSE") {
res <- data.frame()
for (k in names(x)) {
for (vc in names(x[[k]])) {
errores <- calc_cross_groups(x[[k]][[vc]])
res[k, vc] <- errores[[ind]]
}
}
return(res)
}
# Obtiene todos los errores promedio train-test.
calc_cross_error_tt <- function(x, ind = "RMSE") {
res <- data.frame()
for (vc in 1:length(x)) {
k <- x[[vc]]$nombre
error <- x[[vc]]$indices[[ind]]
res[k, vc] <- error
}
return(res)
}
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