Dear R users, I've found bugs.R : the functions for running WinBUGs from R that is writen by Dr. Andrew Gelman who is a professor from Columbia University. The bugs.R would be very useful for me, and I think many of you know it as well. I followed the instuctions on Dr. Gelman's web to install all of documents that bugs.R needs, but when I try to run the school example the web posted in R, I got an error. Would you please help me out? I am stuck on this for a while and really frustrated now. The program and the error as follow. Thanks a lot in advance! Jiaa ________________________________________________________________________ _ > # R code for entering the data and fitting the Bugs model for 8 schools > # analysis from Section 5.5 of "Bayesian Data Analysis". > > # To run, the Bugs model must be in the file "schools.txt" in your working > # directory and you must load in the functions in the bugs.R file (see > # http://www.stat.columbia.edu/~gelman/bugsR/). > > J <- 8 > y <- c(28,8,-3,7,-1,1,18,12) > sigma.y <- c(15,10,16,11,9,11,10,18) > schools.data <- list ("J", "y", "sigma.y") > schools.inits <- function() + list (theta=rnorm(J,0,1), mu.theta=rnorm(1,0,100), + sigma.theta=runif(1,0,100)) > schools.parameters <- c("theta", "mu.theta", "sigma.theta") > > #run in winbugs14 > > schools.sim <- bugs (schools.data, schools.inits, schools.parameters, "schools.bug", n.chains=3, n.iter=1000, version=1.4) Error: couldn't find function "bugs" ------------------------------------------------------------------------ ------------------------------------------------------------------------ ---------------------------------------
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