equivt: Equivalence Test

In mattsigal/psyc6130: Package for PSYC6130

Description

Test for the equivalence of two groups with a given tolerable interval. If a significant effect is returned for both t-values then there is evidence of equivalence. Allows for equal or unequal variances.

Usage

  equivt(x, y, equivint, alpha = 0.05, varequiv = FALSE,
    na.rm = TRUE, ...)

  ## S3 method for class 'equivt'
 print(x)

Arguments

x	Numeric vector for group 1.
y	Numeric vector for group 2.
equivint	Equivalence interval.
alpha	Alpha value
varequiv	Logical. Are there equal variances? Default is FALSE.
na.rm	logical; remove missing data?
...	Additional arguments to be passed to the function.

Author(s)

Rob Cribbie and Phil Chalmers

Examples

## Not run: 
data(nonnorm_hetvar)
attach(nonnorm_hetvar)

#equivalence within 2 points
eq <- 2
equivt(depres[Sex=="female"],depres[Sex=="male"], eq)

## End(Not run)

mattsigal/psyc6130 documentation built on May 21, 2019, 1:26 p.m.