Operationally, PDQ, in any of the supported languages, should appear cosmetically the same as Release 5.0; no additional programming required. Since the PDQ-R source can be compiled separately, this release will be of special interest to Microsoft Windows users.
If you're new to PDQ, here's a simple PDQ-R model you can paste directly into the R-console:
Please see the online release notes for the download links and more detailed information, as well as the top-level README file in the distribution. Beyond that, check out the relevant books and training classes.
library(pdq) # input parameters arrivalRate <- 0.75 serviceRate <- 1.0 ## Build and solve the PDQ model Init("Single queue model") # initialize PDQ CreateOpen("Work", arrivalRate) # open workflow CreateNode("Server", CEN, FCFS) # single server SetDemand("Server", "Work", 1/serviceRate) # service time Solve(CANON) # solve the model Report() # tabulated output
Merry Xmas from the PDQ Dev Team!