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cgss15:students:jiayil:polyanalyst:weeklymeetings:9_2_2016 [2016/09/02 18:02]
jiayil
cgss15:students:jiayil:polyanalyst:weeklymeetings:9_2_2016 [2016/09/02 18:09] (current)
jiayil
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 +====== Megaputer Intelligence Weekly Meeting 9/2/2016 ======
  
 +===== Decision Tree: An Interactive Exercise by Dan Priver =====
 +
 +Build a decision tree by hand to understand the algorithm. Decision Tree is for classification.
 +
 +Entropy is a measure of the distribution and diversity in a group. ​
 +
 +Entropy of a group of identical numbers is 0. 
 +
 +Evenly split group'​s entropy is 1. 
 +
 +Decision Tree: the best split is the one with the best information gain. but it's a greedy algorithm. ​
 +
 +{{:​cgss15:​students:​jiayil:​polyanalyst:​weeklymeetings:​screen_shot_2016-09-02_at_5.29.36_pm.png?​1200|}}
 +
 +NOTE: More categories, decision tree more robust. So can apply categories from taxonomy to decision tree to get better results. ​
 +
 +===== Sergei'​s Notes =====
 +
 +Lilly might has as many as 140 customers next year. 
 +
 +Put together a seminar and invite people from pharma companies to come down to Bloomington to attend it. All 35 min seminars. Will also create webinars after this. 
 +
 +Pharaoh - marketing - conferences - 2016
 +
 +Thinking about the end of October but might pushing it back a little bit.
 +
 +2:20 - 2:55 Automated extraction of entities and features from research literature ​
 +
 +10/26/2016 workshop - technical session, might also need to do one, on extraction of entities and features. ​
cgss15/students/jiayil/polyanalyst/weeklymeetings/9_2_2016.txt ยท Last modified: 2016/09/02 18:09 by jiayil
 
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