bootstrap: Bootstrap

In RVAideMemoire: Testing and Plotting Procedures for Biostatistics

Bootstrap

Description

Simplified version of the boot function.

Usage

bootstrap(x, fun, nrep = 1000, conf.level = 0.95, ...)

Arguments

x	numeric vector.
fun	function to be used for computation (function(x,i) ...(x[i])).
nrep	number of replicates.
conf.level	confidence level for confidence interval.
...	additional arguments to boot. See help of this function.

Details

See help of the boot function for more explanations.

Value

method	the character string "Bootstrap"
data.name	a character string giving the name of the data.
estimate	the estimated original value
conf.level	confidence level for confidence interval.
rep	number of replicates.
conf.int	limits of the confidence interval.

Author(s)

Maxime HERVE <[e-mail]>

See Also

boot

Examples

# Confidence interval of a mean
samp <- sample(1:50,10,replace=TRUE)
bootstrap(samp,function(x,i) mean(x[i]))

# Confidence interval of the standard error of the mean
bootstrap(samp,function(x,i) sd(x[i])/sqrt(length(x[i])))

RVAideMemoire documentation built on Nov. 6, 2023, 5:07 p.m.