doHist: Do histogram with median

In TalhoukLab/biostatUtil: Utility Functions Used in Biostatistics Projects

Do histogram with median

Description

Plot a histogram with the median, first quartile, and third quartile reported.

Usage

doHist(
  data,
  var,
  xlab = var,
  title = NULL,
  show.title = TRUE,
  br = ceiling(sqrt(nrow(data))),
  digits = 3,
  score.lab = "scorable",
  ...
)

Arguments

data	data.frame with column names
var	string of variable in data to graph on
xlab	x-axis label
title	histogram title
show.title	logical. If TRUE (default), the title is shown
br	breaks in histogram. By default, the number of bins is taking as the ceiling of the square root of the number of rows in data
digits	number of digits to round for median, Q1, Q3
score.lab	label for non-missing cases
...	additional arguments to hist

Details

Expects missing to be NA. Do not filter out missing data as this function reports missing data counts.

Value

A histogram with some annotated values.

Author(s)

Samuel Leung, Derek Chiu

Examples

doHist(mtcars, "mpg")
doHist(mtcars, "mpg", "MPG")
doHist(mtcars, "mpg", title = "Distribution of MPG")

TalhoukLab/biostatUtil documentation built on April 14, 2025, 4:15 a.m.