comparison: Compare means/proportions across a group

In dylanrussellmd/nsqipBileSpill: NSQIP Bile Spill

Description

Compares the means/proportions across grouping by group. Produces a p- value for each comparsion.

Usage

comparison(df, group, ...)

Arguments

df	a dataframe
group	the grouping variable; must be a logical vector
...	columns to compare means/proportions

Details

This function produces either a t.test or a chisq.test on each of the columns in .... If the variable is.numeric, conducts t.test. If the variable is.logical or is.factor, conducts chisq.test. Note that if you are piping into this function with a variable created by dplyr::group_by() as as your grouping function, you must first dplyr::ungroup() prior to piping into compare() (see example).

Value

a data frame

Examples

mtcars %>% dplyr::group_by(hp > 150) %>% dplyr::ungroup() %>% comparison(`hp > 150`, hp, am)

dylanrussellmd/nsqipBileSpill documentation built on Dec. 20, 2021, 2:17 a.m.