interval: Extract summary statistics

In mosaic: Project MOSAIC Statistics and Mathematics Teaching Utilities

Extract summary statistics

Description

Extract confidence intervals, test statistics or p-values from an htest object.

Usage

## S3 method for class 'htest'
confint(object, parm, level, ...)

pval(x, ...)

## S3 method for class 'htest'
pval(x, digits = 4, verbose = FALSE, ...)

stat(x, ...)

## S3 method for class 'htest'
stat(x, ...)

## S3 method for class 'uneval'
stat(x, ...)

Arguments

object	a fitted model object or an htest object.
parm	a specification of which parameters are to be given confidence intervals, either a vector of numbers or a vector of names. If missing, all parameters are considered.
level	the confidence level required.
...	Additional arguments.
x	An object of class htest.
digits	number of digits to display in verbose output
verbose	a logical

Value

the extracted p-value, confidence interval, or test statistic

Examples

confint(t.test(rnorm(100)))
pval(t.test(rnorm(100)))
stat(t.test(rnorm(100)))
confint(var.test(rnorm(10,sd=1), rnorm(20, sd=2)))
pval(var.test(rnorm(10,sd=1), rnorm(20, sd=2)))
if (require(mosaicData)) {
data(HELPrct)
stat(t.test (age ~ shuffle(sex), data=HELPrct))
# Compare to test statistic computed with permuted values of sex.
do(10) * stat(t.test (age ~ shuffle(sex), data=HELPrct))
}

mosaic documentation built on May 29, 2024, 5:27 a.m.