Unsupervised

A practical howto on getting good-looking score distributions

A brand new performance metric to use for free — today only!

We like ROC-AUC but it can be improved on

Why we chose the unsupervised way and how we are dealing with it

A long awaited tutorial — how to perform the most common data manipulation tasks on Apache Spark Datasets in Scala — with Star Wars!

A solution for multiplying sparse matrices in Spark

You could not step twice into the same river —  You could not add twice the same columns together

A data science challenge provided by Balabit

Our tips on how to become a data scientist

np.nan OR False equals …?

Compress your photos with SVD

A short tutorial about SVD with additional numpy code

The story of how we won in a data science challenge

Surprising predictions about predictions

So actually, what are we doing between two blogposts?

What’s behind those crazy pictures and how create one for yourself

An open source solution for this common problem

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