Gene Boggs
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Bach Choral Harmony Network Diagrams

Posted on 2018-09-18

Tags: perl software music data analysis

Today I decided to revisit the Bach Choral Harmony data set and look at chord progression transitions.

In order to do this I wrote a small program that tallies the movement from one chord to another, and then outputs a Graphviz dot file that can be turned into an image.

Continue reading Bach Choral Harmony Network Diagrams...

How Many Primes Are In A Slice Of Pi?

Posted on 2018-08-07

Tags: python software mathematics prime numbers pi

Questions:

  • What is the number of primes per n-slice of the decimal part of pi?
  • What does the graph look like?
  • Are there many overlapping primes (i.e. start at the same position in the slice)?

Continue reading How Many Primes Are In A Slice Of Pi?...

Making Chernoff Faces with Perl

Posted on 2018-03-24

Tags: perl software mathematics data

Today being a Saturday, I decided to noodle around with the GD::Simple module and constructed rudimentary Chernoff faces - Cartoon data visualization.

Continue reading Making Chernoff Faces with Perl...

Sonic L-Systems

Posted on 2018-03-18

Tags: perl software MIDI audio

In 1968, Aristid Lindenmayer introduced "L-systems" to the world. Basically, this is an iterative rewriting system of rules that operates on a string beginning with an "axiom" or initial string.

Continue reading Sonic L-Systems...

Book of Revelation Sentiment Analysis

Posted on 2018-03-04

Tags: perl software bible analysis

I decided to write my own sentiment analysis library called Lingua::EN::Opinion and use it to investigate the KJV Bible Book of Revelation.

Continue reading Book of Revelation Sentiment Analysis...

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