## Overview

Convenience utilities for formatting and summarizing data for outcomes research.

### paste_

Functions such as paste_freq() and paste_mean(), which return formatted statistics for writing.

### calc_

Convenience functions for frequently used calculations, such as the duration of time between two date objects with calc_duration().

### cusum_

Functions which take a dichotomous procedure outcome and return prepared data for producing CUSUM curves. Available options range from simple cumulative sum of failures with cusum_failure() to risk-adjusted sequential probability ratio tests with cusum_sprt().

### test_

Simple null hypothesis testing of stratified continuous or nominal data with the test_hypothesis() function. Returns a list containing test results.