This is a Python implementation of the LSR and I-LSR algorithms for parameter inference in Plackett-Luce models. The algorithms are described in
Fast and Accurate Inference of Plackett-Luce Models, Lucas Maystre, Matthias Grossglauser, NIPS 2015.
You might be interested in reading the paper, the supplementary file or these slides.
As a starting point, we recommend that you have a look at the example provided in this Jupyter notebook.