wrapTTest.data.frame: Wrap t.test (difference in means by group).

In WinVector/sigr: Succinct and Correct Statistical Summaries for Reports

Wrap t.test (difference in means by group).

Description

Wrap t.test (difference in means by group).

Usage

## S3 method for class 'data.frame'
wrapTTest(
  x,
  Column1Name,
  Column2Name,
  ...,
  y = NULL,
  alternative = c("two.sided", "less", "greater"),
  mu = 0,
  paired = FALSE,
  var.equal = FALSE,
  conf.level = 0.95,
  na.rm = FALSE
)

Arguments

x	data.frame
Column1Name	character column 1 name
Column2Name	character column 2 name
...	extra arguments passed to ttest
y	passed to t.test
alternative	passed to t.test
mu	passed to t.test
paired	passed to t.test
var.equal	passed to t.test
conf.level	passed to t.test
na.rm	logical, if TRUE remove NA values

Value

formatted string and fields

Examples

d <- data.frame(x=c(1,2,3,4,5,6,7,7),
                y=c(1,1,2,2,3,3,4,4))
render(wrapTTest(d,'x','y'),pLargeCutoff=1)
# confirm p not order depedent
render(wrapTTest(d,'y','x'),pLargeCutoff=1)

WinVector/sigr documentation built on Aug. 29, 2023, 3:57 a.m.