powerplot {DAAG}R Documentation

Plot of Power Functions

Description

This function plots powers of a variable on the interval [0,10].

Usage

powerplot(expr="x^2", xlab="x", ylab="y")

Arguments

expr Functional form to be plotted
xlab x-axis label
ylab y-axis label

Value

A plot of the given expression on the interval [0,10].

Author(s)

J.H. Maindonald

Examples

   oldpar <- par(mfrow = c(2, 3), mar = par()$mar - c(
        1, 1, 1.0, 1),  mgp = c(1.5, 0.5, 0),  oma=c(0,1,0,1))
#    on.exit(par(oldpar))
    powerplot(expr="sqrt(x)", xlab="")
    powerplot(expr="x^0.25", xlab="", ylab="")
    powerplot(expr="log(x)", xlab="", ylab="")
    powerplot(expr="x^2")
    powerplot(expr="x^4", ylab="")  
    powerplot(expr="exp(x)", ylab="")
par(oldpar)

[Package DAAG version 0.76 Index]