radiant.data (version 1.6.3)

make_train: Generate a variable used to selected a training sample

Description

Generate a variable used to selected a training sample

Usage

make_train(n = 0.7, nr = NULL, blocks = NULL, seed = 1234)

Value

0/1 variables for filtering

Arguments

n

Number (or fraction) of observations to label as training

nr

Number of rows in the dataset

blocks

A vector to use for blocking or a data.frame from which to construct a blocking vector

seed

Random seed

Examples

make_train(.5, 10)
make_train(.5, 10) %>% table()
make_train(100, 1000) %>% table()
make_train(.15, blocks = mtcars$vs) %>% table() / nrow(mtcars)
make_train(.10, blocks = iris$Species) %>% table() / nrow(iris)
make_train(.5, blocks = iris[, c("Petal.Width", "Species")]) %>% table()