queueing theory

Queueing up in R, continued

October 20, 2011 | Matt Asher

Shown above is a queueing simulation. Each diamond represents a person. The vertical line up is the queue; at the bottom are 5 slots where the people are attended. The size of each diamond is proportional to the log of the time it will take them to be attended. Color is ... [Read more...]

Waiting in line, waiting on R

October 13, 2011 | Matt Asher

I should state right away that I know almost nothing about queuing theory. That’s one of the reasons I wanted to do some queuing simulations. Another reason: when I’m waiting in line at the bank, I tend to do mental calculations for how long it should take me ... [Read more...]

Simulating a Queue in R

May 30, 2010 | Neil Gunther

In the GCaP class earlier this month, we talked about the meaning of the load average (in Unix and Linux) and simulating a grocery store checkout lane, but I didn't actually do it. So, I decided to take a shot at constructing a discrete-event simulatio...
[Read more...]

PDQ 5.0 is on the Launch Pad

April 4, 2009 | Neil Gunther

PDQ (Pretty Damn Quick) major release 5.0 is on the launch pad at Cape SourceForge. Because of a potential collision with the North Korean ICBM/satellite launch, we won't be filling the main liquid-hydrogen tank until next week (we don't want PDQ blame...
[Read more...]

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