Recommender systems

Example code for chapter seven, Clojure for Data Science.

Data

The data for this chapter is the ML-100k dataset of movie ratings provided by GroupLens.

The dataset can be downloaded directly from here.

Instructions

*nix and OS X

Run the following command-line script to download the data to the project's data directory:

# Downloads and unzips the data files into this project's data directory.
    
script/download-data.sh

Windows / manual instructions

1. Download the ml-100k.zip file linked above.
2. Expand the contents of the file to a directory called data/ml-100k within this project's directory.

After following these steps files named ua.base and u.item should be inside the directory named data/ml-100k.

Running examples

Examples can be run with:

# Replace 7.1 with the example you want to run:

lein run -e 7.1

or open an interactive REPL with:

lein repl

License

Copyright © 2015 Henry Garner

Distributed under the Eclipse Public License either version 1.0 or (at your option) any later version.