BAYSTAR                 Threshold Autoregressive model: Bayesian
                        approach
TAR.coeff               Estimate AR coefficients
TAR.lagd                Identification of lag order of threshold
                        variable
TAR.lik                 Log-likelihood function
TAR.sigma               To draw the variance of error distribution.
TAR.simu                Simulated data from TAR model
TAR.summary             Calculate summary statistics for all parameters
TAR.thres               To draw a threshold value.
unemployrate            U.S. monthly civilian unemployment rate
