Learn R Programming

RVAideMemoire (version 0.9-83-7)

bootstrap: Bootstrap

Description

Simplified version of the boot function.

Usage

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

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.

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.

Author

Maxime HERVE <maxime.herve@univ-rennes1.fr>

Details

See help of the boot function for more explanations.

See Also

Examples

Run this code
# 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])))

Run the code above in your browser using DataLab