ttestFunc: Format for printing p-value from t-test

In jbirstler/biostatrpts: Functions for UW-Biostatistics Report Creation

Description

Meant to be used in creating R matrix to be exported as a table

Usage

ttestFunc(data, nvar, gvar)

Arguments

data	Data frame where nvar and gvar can be found
nvar	Character string of column in data of numeric data
gvar	Character string of column in data of grouping data

Details

If the p-value is less than 0.0005 then '< 0.001' is returned otherwise p-value rounded to 3 decimals is returned

Value

Returns a string of the p-value from a t-test or anova if gvar has more than 2 levels

Author(s)

University of Wisconsin-Madison Biostatistics and Medical Informatics Department, Scott Hetzel M.S.

See Also

meanFunc

Examples

outcome <- rnorm(20)
group <- factor(rep(c("A", "B"), each = 10))
d.frame <- data.frame(outcome, group)

ttestFunc(d.frame, "outcome", "group")

jbirstler/biostatrpts documentation built on May 7, 2020, 12:10 a.m.