plotCI.reg {asbio}R Documentation

Plots a simple linear regression along with confidence and prediction intervals.

Description

Plots the fitted line from a simple linear regression (y ~ x) and (if requested) confidence and prediction intervals.

Usage


plotCI.reg(x, y, conf = 0.95, CI = TRUE, PI = TRUE, reg.col = 1, CI.col = 2, PI.col = 4, reg.lty = 1, CI.lty = 2, PI.lty = 3, reg.lwd = 1, CI.lwd = 1, ...)

Arguments

x The explanatory variable, a numeric vector.
y The response variable, a numeric vector
conf The level of confidence; 1 - P(type I error)
CI Logical; should the confidence interval be plotted?
PI Logical; should the prediction interval be plotted?
reg.col Color of the fitted regression line.
CI.col Color of the confidence interval lines.
PI.col Color of the prediction interval lines.
reg.lty Line type for the fitted regression line.
CI.lty Line type for the confidence interval.
PI.lty Line type for the confidence interval.
reg.lwd Line width for the regression line.
CI.lwd Line widths for the connfidence and prediction intervals.
... Additional arguments from plot

Value

Returns a plot with a regression line and (if requested) confidence and prediction intervals

Author(s)

Ken Aho

See Also

plot, predict

Examples

y<-c(1,2,1,3,4,2,3,4,3,5,6)
x<-c(2,3,1,4,5,4,5,6,7,6,8)
plotCI.reg(x,y)

[Package asbio version 0.1 Index]