WRS2 (version 1.1-6)

trimcibt: Bootstrap-t method for one-sample test

Description

Compute a 1-alpha confidence interval for the trimmed mean using a bootstrap percentile t method.

Usage

trimcibt(x, nv = 0, tr = 0.2, alpha = 0.05, nboot = 200, ...)

Value

Returns an object of class "trimcibt" containing:

ci

95% confidence interval

estimate

trimmed mean

p.value

p-value

test.stat

t-statistic

tr

trimming level

n

number of effective observations

Arguments

x

a numeric vector.

nv

value under H0.

tr

trim level for the mean.

alpha

alpha level.

nboot

number of bootstrap samples.

...

currently ignored.

References

Wilcox, R. (2017). Introduction to Robust Estimation and Hypothesis Testing (4th ed.). Elsevier.

See Also

onesampb

Examples

  set.seed(123)
  x <- rnorm(30)
  trimcibt(x, nboot = 100)    ## H0: Psi = 0