A new version of the Discrete-Event Simulator for R was released a few days ago on CRAN. The most interesting new feature is the implementation of the subsetting operators [ and [[ for trajectory objects. Basically, think about trajectories as lists of activities and these operators will do (almost) everything you expect. ...

In part one, we simulated a simple CTMC. Now, let us complicate things a bit. Remember the example problem there: A gas station has a single pump and no space for vehicles to wait (if a vehicle arrives and the pump is not available, it leaves). Vehicles arrive to the ...

In the previous post, we gave you some insights about the simulation of simple birth-death processes with simmer. The extension of such a methodology for more complex queueing networks is immediate and was left as an exercise for the reader. Similarly, today we are going to explore more features of ...

We are very pleased to announce that a new release of simmer, the Discrete-Event Simulator for R, is on CRAN. There are quite a few changes and fixes, with the support of preemption as a star new feature. Check out the complete set of release notes here. Let’s simmer ...