plot.coef.bas: Plots the posterior distributions of coefficients derived from Bayesian
model averaging
Description
Displays plots of the posterior distributions of the coefficients generated
by Bayesian model averaging over linear regression.
Usage
# S3 method for coef.bas
plot(x, e = 1e-04, subset = 1:x$n.vars, ask = TRUE, ...)
Arguments
x
object of class coef.bas
e
optional numeric value specifying the range over which the
distributions are to be graphed.
subset
optional numerical vector specifying which variables to graph
(including the intercept)
ask
Prompt for next plot
...
other parameters to be passed to plot and lines
Author
based on function plot.bic by Ian Painter in package BMA;
adapted for 'bas' class by Merlise Clyde clyde@stat.duke.edu
Details
Produces plots of the posterior distributions of the coefficients under
model averaging. The posterior probability that the coefficient is zero is
represented by a solid line at zero, with height equal to the probability.
The nonzero part of the distribution is scaled so that the maximum height is
equal to the probability that the coefficient is nonzero.
The parameter e specifies the range over which the distributions are
to be graphed by specifying the tail probabilities that dictate the range to
plot over.
References
Hoeting, J.A., Raftery, A.E. and Madigan, D. (1996). A method
for simultaneous variable selection and outlier identification in linear
regression. Computational Statistics and Data Analysis, 22, 251-270.