Gang Bai

Hamming tree is a slightly ``stronger'' weak learner reusing some mechanics from Decision Stump.

We need a compelling description of the project.

By specifying negative samples as 0 instead of -1, we can better leverage the sparse representation of Vector. After we parse the data points, we can simply convert it to...

Readable model dump.

17

Hi, Currently all learning methods in wormhole save resulted models in binary format. This is pretty well in cases of solving machine learning competitions, i.e training and predicting both using...

Zmq occasionally hangs when ps app exits.

4

I've been intensively using ps-lite, specifically [difacto](https://github.com/dmlc/wormhole/tree/master/learn/difacto) in [wormhole](https://github.com/dmlc/wormhole) based on ps-lite. It occasionally happens that one difacto.dmlc process (which should be the scheduler) hangs after the workers/servers have finished...