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Big Data… Big Problems?. Big Data… Big Problems?. Big Data… Big Problems?. The Lessons of 2012. The 538 Method (Simplified). 1. Average the Polls. 2. Count to 270. 3. Account for Margin of Error. The Lessons of 2012. The Lessons of 2012. The Lessons of 2012. The Lessons of 2012.
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The Lessons of 2012 The 538 Method (Simplified) 1. Average the Polls 2. Count to 270 3. Account for Margin of Error
The Lessons of 2012 “nate silver” “joe biden”
The Lessons of 2012 “justin bieber”
Problem #2: Desperately Seeking Signal http://imgs.xkcd.com/comics/sports.png
Suggestions 1. Think Probabilistically 2. Know Where You’re Coming From 3. Try, and Err
Suggestion #1: Think Probabilistically Levee: 51’ Flood Prediction: 49’
Suggestion #1: Think Probabilistically Margin of Error: ±9’ Levee: 51’ Flood Prediction: 49’
Suggestion #3: Try, and Err Accuracy Effort
Suggestion #3: Try, and Err Accuracy Effort
Suggestion #3: Try, and Err Accuracy Effort
Suggestion #3: Try, and Err Accuracy Effort
Suggestion #3: Try, and Err Water level Accuracy Effort
Suggestion #3: Try, and Err Competitive Advantage Accuracy Effort
Suggestions 1. Think Probabilistically 2. Know Where You’re Coming From 3. Try, and Err
Suggestions (Know Your Limitations) 2. Know Where You’re Coming From 3. Try, and Err
Suggestions (Know Your Limitations) (Consider Your Assumptions) 3. Try, and Err
Suggestions (Know Your Limitations) (Consider Your Assumptions) (Refine Your Process)
Suggestions “In Science, We Seek to Balance Creativity and Skepticism” -- Michael Babyak, PhD, Department of Psychiatry and Behavioral Science, Duke University Medical Center