truehist: Plot a Histogram

In MASS: Support Functions and Datasets for Venables and Ripley's MASS

Plot a Histogram

Description

Creates a histogram on the current graphics device.

Usage

truehist(data, nbins = "Scott", h, x0 = -h/1000,
         breaks, prob = TRUE, xlim = range(breaks),
         ymax = max(est), col = "cyan",
         xlab = deparse(substitute(data)), bty = "n", ...)

Arguments

data	numeric vector of data for histogram. Missing values (NAs) are allowed and omitted.
nbins	The suggested number of bins. Either a positive integer, or a character string naming a rule: "Scott" or "Freedman-Diaconis" or "FD". (Case is ignored.)
h	The bin width, a strictly positive number (takes precedence over nbins).
x0	Shift for the bins - the breaks are at x0 + h * (..., -1, 0, 1, ...)
breaks	The set of breakpoints to be used. (Usually omitted, takes precedence over h and nbins).
prob	If true (the default) plot a true histogram. The vertical axis has a relative frequency density scale, so the product of the dimensions of any panel gives the relative frequency. Hence the total area under the histogram is 1 and it is directly comparable with most other estimates of the probability density function. If false plot the counts in the bins.
xlim	The limits for the x-axis.
ymax	The upper limit for the y-axis.
col	The colour for the bar fill: the default is colour 5 in the default R palette.
xlab	label for the plot x-axis. By default, this will be the name of data.
bty	The box type for the plot - defaults to none.
...	additional arguments to rect or plot.

Details

This plots a true histogram, a density estimate of total area 1. If breaks is specified, those breakpoints are used. Otherwise if h is specified, a regular grid of bins is used with width h. If neither breaks nor h is specified, nbins is used to select a suitable h.

Side Effects

A histogram is plotted on the current device.

References

Venables, W. N. and Ripley, B. D. (2002) Modern Applied Statistics with S. Fourth edition. Springer.

See Also

hist

MASS documentation built on June 22, 2024, 10:42 a.m.