Sightings of homo sapiens cognatus, or homo sylvestris, are well-recorded, with a particular prevalence in North America. Bigfoot, otherwise known as the Sasquatch, is one of the most widely-reported cryptids in the world; it is the subject of documentaries, film, music, and countless books. The Bigfoot Field Research Organisation has... [Read more...]

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In previous posts (https://statcompute.wordpress.com/2017/01/22/monotonic-binning-with-smbinning-package) and (https://statcompute.wordpress.com/2017/06/15/finer-monotonic-binning-based-on-isotonic-regression), I’ve developed 2 different algorithms for monotonic binning. While the first tends to generate bins with equal densities, the second would define finer bins based on the isotonic regression. In the code snippet below, a third ... [Read more...]

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From the first time I listened to Radiohead’s The Bends, the band has been my favorite. I was a grad student in England at the time, and I recall listening to “Fake Plastic Trees” on repeat as I made my way to and from the library each day. By ... [Read more...]

A new package of ours, RcppNLoptExample, arrived on CRAN yesterday after a somewhat longer-than-usual wait for new packages as CRAN seems really busy these days. As always, a big and very grateful Thank You! for all they do to keep this community hum... [Read more...]

Introduction Inspired by a recent post on how to import a directory of csv files at once using purrr and readr by Garrick, in this post we will try achieving the same using base R with no extra packages, and with data·table, another very popular package and as an ... [Read more...]

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- Its been a while since I write a CRAN package and this weekend I decided to work on a idea I had some time ago. The result is package PkgsFromFiles. When working with different computers at home or work, one of the problems I ... [Read more...]

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Four years ago I referenced the Seinfeld Streak used in an earlier post of regular updates to to the Rcpp Gallery: This is sometimes called Jerry Seinfeld’s secret to productivity: Just keep at it. Don’t break the streak. and then showed the fi... [Read more...]

Four years ago I referenced the Seinfeld Streak used in an earlier post of regular updates to to the Rcpp Gallery: This is sometimes called Jerry Seinfeld’s secret to productivity: Just keep at it. Don’t break the streak. and then showed the fi... [Read more...]

Its been a while since I develop a CRAN package and this weekend I decided to work on a idea I had some time ago. The result is package PkgsFromFiles. When working with different computers at home or work, one of the problems I have is installing missing packages across ... [Read more...]

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My prior post on animated flow in the Delaware River contained the last work I performed on my previous lap top just before it gave up the ghost.  When a colleague asked me to share it, I was distressed to realize that the script was lost.  I decided to recreate ... [Read more...]

My prior post on animated flow in the Delaware River contained the last work I performed on my previous lap top just before it gave up the ghost.  When a colleague asked me to share it, I was distressed to realize that the script was lost.  I decided to recreate ... [Read more...]