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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:
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
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.
Merry Xmas from the PDQ Dev Team!
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