ErrorBars: Add error bars

In thomas-muench/tmlibr: My Personal R Library of Miscellaneous Auxiliary Functions.

Description

Add error bars to an existing point plot.

Usage

ErrorBars(x, y, upper, lower = upper, width = 0.05, col = "black",
  lwd = 1, lty = 1)

Arguments

x	x coordinates of the points for which error bars are to be added.
y	y coordinates of the points for which error bars are to be added.
upper	upper value of the error interval with respect to y.
lower	lower value of the error interval with respect to y; default is to assume symmetric error intervals.
width	the width of the error bar drawing as a fraction of the x user coordinate range (diff(range(par("usr")[1 : 2]))).
col	the colour of the error bars; default "black".
lwd	the line width of the error bars; default 1.
lty	the line type of the error bars; default are solid lines (lty = 1).

Author(s)

Thomas Münch

Examples

x <- 1 : 10
plot(x); ErrorBars(x, y = x, upper = 2.5, lower = 1)

thomas-muench/tmlibr documentation built on May 26, 2019, 10:36 a.m.