Monthly Archives: September 2008

Slides from Apriori.rb LA Ruby Presentation

By Nate Murray | Published: September 19, 2008
Last night I gave a talk on my new gem Apriori.rb at the LA Ruby Meetup. Here are the slides from that presentation. Coby Randquist from Confreaks recorded the talk on his MacBookPro. I’ll see if I can get a copy and post it up here in the next couple of weeks. Apriori.rb – LA [...]
Posted in gems, programming, ruby | 1 Comment

Apriori.rb – a gem to find regularities in buying behavior (frequent itemsets)

By Nate Murray | Published: September 19, 2008
What it is Apriori.rb is a library to efficiently find item association rules within large sets of transactions. The goal is to find regularities in buying behavior. This library provides a thin ruby wrapper around Christian Borgelt’s C implementation of this algorithm. Why use it? Finding items that are frequently purchased together can be very useful in learning [...]
Posted in gems, programming, ruby | 1 Comment

a simple script to organize downloads

By Nate Murray | Published: September 4, 2008
Description Organize all files in a given folder by date. This is commonly used to organize a “Downloads” folder. Currently this script will only move files more than 24 hours old. This is to protect against moving a file as it is downloaded. Motivation I love SafariStand. One of the features that I love is the sort-downloads-by-date [...]
Posted in git, programming, sysadmin | Leave a comment