bootstrap: Generate 'n' bootstrap replicates.

In modelr: Modelling Functions that Work with the Pipe

Generate n bootstrap replicates.

Description

Generate n bootstrap replicates.

Usage

bootstrap(data, n, id = ".id")

Arguments

data	A data frame
n	Number of bootstrap replicates to generate
id	Name of variable that gives each model a unique integer id.

Value

A data frame with n rows and one column: strap

See Also

Other resampling techniques: resample_bootstrap(), resample_partition(), resample()

Examples

library(purrr)
boot <- bootstrap(mtcars, 100)

models <- map(boot$strap, ~ lm(mpg ~ wt, data = .))
tidied <- map_df(models, broom::tidy, .id = "id")

hist(subset(tidied, term == "wt")$estimate)
hist(subset(tidied, term == "(Intercept)")$estimate)

modelr documentation built on March 31, 2023, 5:20 p.m.