Publications by Neil Gunther
PDQ 7.0 Dev is Underway
The primary goal for this release is to make PDQ acceptable for uploading to CRAN. This is a non-trivial exercise because there is some legacy C code in the PDQ library that needs to be reorganized while, at the same time, keeping it consistent for programmatically porting to other languages besides R—chiefly Perl (for the book) and...
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PDQ 7.0 Dev is Underway
The primary goal for this release is to make PDQ acceptable for uploading to CRAN. This is a non-trivial exercise because there is some legacy C code in the PDQ library that needs to be reorganized while, at the same time, keeping it consistent for programmatically porting to other languages besides R—chiefly Perl (for the book) and...
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GitHub Growth Appears Scale Free
In 2013, a blogger claimed that the growth of GitHub (GH) users follows a certain type of diffusion model called Bass diffusion. Growth here refers to the number of unique user IDs as a function of time, not the number project repositories, which can have a high degree of multiplicity. In a response, I tweeted a plot that suggested G...
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USL Scalability Modeling with Three Parameters
NOTE: Annoyingly, the remote mathjax server often takes it’s sweet time rendering LaTex equations (like, up to a minute or more!!!). I don’t know if this is deliberate on the part of Google or a bug. It used to be faster. If anyone knows, I’d be interested to hear; especially if there is a way to speed it up. And no, I’m not planning to m...
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