- MJRTY - A Fast Majority Vote Algorithm http://nbviewer.ipython.org/github/ermakovpetr/ipython-notebook/blob/master/mjrty_algo.ipynb
- Frugal Streaming for Estimating Quantiles http://nbviewer.ipython.org/github/ermakovpetr/ipython-notebook/blob/master/frugal_streaming.ipynb