add_prop_test: Add results of prop.test to data frame

In tidytidbits: A Collection of Tools and Helpers Extending the Tidyverse

Add results of prop.test to data frame

Description

Adds prop.test results as columns to data frame based on data in columns For use with a tibble in a pipe: Using one-group prop.test, adds confidence intervals (with given conf.level) for the proportion of x positive results in n trials, and the p value that the proportion is equal to p (default: 0.5) (to add the estimated proportion itself, use count_by)

Usage

add_prop_test(
  .df,
  x,
  n,
  p = NULL,
  CI_lower_name = "CI_lower",
  CI_upper_name = "CI_upper",
  p_name = "p",
  alternative = c("two.sided", "less", "greater"),
  conf.level = 0.95,
  correct = TRUE
)

Arguments

.df	A data frame
x	The column/vector with the number of positive results
n	The column/vector/constant with the number of trials
p	Assumed proportion: Will add a p-value that the proportion is equal to p (default: 0.5)
CI_lower_name, CI_upper_name, p_name	Column names of the added columns
alternative, conf.level, correct	As for prop.test

Value

Data frame with columns added

See Also

count_by()

Examples

library(magrittr)
if (requireNamespace("survival", quietly = TRUE))
{
   survival::aml %>%
   count_by(x) %>%
   add_prop_test(n, sum(n), rel)
}

tidytidbits documentation built on March 18, 2022, 6:10 p.m.