plot.power.calc: Plotting a power.calc object

In SimVitD: Simulation Tools for Planning Vitamin D Studies

Plotting a power.calc object

Description

Plot the power between two groups as the number of participants and the relative risk vary.

Usage

    ## S3 method for class 'power.calc'
plot( x, col = "hotpink", lwd = 1.5, lty = 1, ylab = NULL, 
          x.legend = NULL, y.legend = NULL, main.legend = "Risk scaling", legend.size = 1, 
          target.power = NA, which = 1L, ... )
  

Arguments

x	An object of class power.calc.
col	Colour of the line.
lwd	Line width.
lty	Line type.
ylab	Title for the y-axis.
x.legend	The x position of the legend. If not given, tries to default to a sensible value.
y.legend	The y position of the legend. If not given, tries to default to a sensible value.
main.legend	Title for the legend.
legend.size	Size of the legend.
target.power	Add a horizontal dotted line at a target power. A value of NA suppresses plotting.
which	Type of plot. Value 1 gives a plot of power, and value 2 plot of estimated effect size.
...	Additional arguments to be passed to the plot function.

Author(s)

Rebecca Mangan and Jason Wyse

SimVitD documentation built on Aug. 20, 2023, 5:06 p.m.