Erik Bernhardsson    About

Running Theano on EC2

Inspired by Sander Dieleman’s internship at Spotify, I’ve been playing around with deep learning using Theano. Theano is this Python package that lets you define symbolic expressions (cool), does automatic differentiation (really cool), ...

Recurrent Neural Networks for Collaborative Filtering

I’ve been spending quite some time lately playing around with RNN’s for collaborative filtering. RNN’s are models that predict a sequence of something. The beauty is that this something can be anything really – as long as you can design ...

Where do locals go in NYC?

One obvious thing to anyone living in NYC is how tourists cluster in certain areas. I was curious about the larger patterns around this, so I spent some time looking at data. The thing I wanted to understand is: what areas are dominated ...

The power of ensembles

From my presentation at MLConf, one of the points I think is worth stressing again is how extremely well combining different algorithms works. In this case, we’re training machine learning algorithms on different data sets (playlists,...

MLConf 2014

Just spent a day at MLConf where I was talking about how we do music recommendations. There was a whole range of great speakers (actually almost 2/3 women which was pretty cool in itself). Here are my slides: Justin Basilico from Netfl...