This is pappy:
"Probability distribution Amplification and Plotting in Python"

Python utilities for manipulating and plotting probability density 
functions, stored as importance-weighted lists of samples.

Authors: Phil Marshall <dr.phil.marshall@gmail.com> 
     and Daniel Foreman-Mackey <danfm@nyu.edu>
Date: 12 December, 2011


Installation:

  setenv PAPPY_DIR ${HOME}/python/pappy
  setenv PATH ${PATH}:${PAPPY_DIR}
  setenv PYTHONPATH ${PAPPY_DIR}:${PYTHONPATH}


Getting started:

  CornerPlotter.py --test