random-poly utility for random-noise demo
x-vs-y.r  check and plot correlation between two continuous variables
vw-demo:  scripted noise-vs-signal demo of vw
README: explanation of signal-vs-noise vw-demo
Makefile for signal-vs-noise vw demo
README: add URL where presentation can be found.
README: fix typo blow->below
README: add how to run the demo and a few grammar improvements
support TSV and CSV output formats
vw-demo: cleanup just for testing, commented line
README: add note about data-set precision control in random-poly
README: add note on noise being uniformly distributed using the "rand()" PRG
README: make 3 prereq section space consistent
README: better prereq section
vw-demo: improve some interactive messages
vw-demo: better introductory blurb
vw-demo: many user prompt & explanations improvements
Merge pull request #144 from arielf/master

New demo: random-noise: shows how well vowpal-wabbit can tell signal and noise apart