OR in an OB World

A mix of operations research items and software tricks that I'll probably forget if I don't write them down somewhere.

Thursday, September 11, 2025

Building a Partial Tour

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A user on Mathematics Stack Exchange posted a question that, while superficially similar to the prize collecting traveling salesman problem...
4 comments:
Saturday, July 26, 2025

Mint MATE Monitor Brightness

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I ran into a rare but not unheard of problem this morning while working on my desktop computer (running Linux Mint with the MATE desktop, an...
Monday, July 14, 2025

A Shinyvalidate Hack

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Lately I've been coding a Shiny web application (in R) in which users are confronted by several forms. Since their inputs go into a dat...
Tuesday, July 8, 2025

Android Silliness Part II

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Last year I documented at great length a mess I went through when a very straightforward morning radio alarm I had set on my bedroom smart ...
Wednesday, June 11, 2025

RStudio Republish Menu

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I'm a big fan of the RStudio IDE for coding in R, but like all software it has one or two quirks. Someone recently asked about one on ...
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About Me

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Paul A. Rubin
I am Professor Emeritus of Management Science, retired from the Eli Broad College of Business at Michigan State University. My primary research interest is in the application of integer programming models and algorithms. In addition to research interests, I am active in the INFORMS Pro Bono Analytics project.
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