Added pearson r correlation
added some correlation tests
Merge branch 'master' of github.com:cpitclaudel/6.830
Merge branch 'master' of github.com:cpitclaudel/6.830
Merge branch 'master' of github.com:cpitclaudel/6.830
Modified dboost-stdin.py to recognize space-delimited data
Kept both gaussian and statistical methods correlation models
meeting notes for 11/17 + mtg w/ Sam