Analytics
Transcript: Twitter followers Thank you http://www.fivethirtyeight.com/2008/03/frequently-asked-questions-last-revised.html http://strata.oreilly.com/2012/01/what-is-big-data.html http://radar.oreilly.com/2011/09/building-data-science-teams.html https://twitter.com/SamWangPhD http://krugman.blogs.nytimes.com/2013/10/08/the-midterms-sam-wang-weighs-in/?_r=0 http://www.dnaindia.com/bangalore/report-big-data-crunching-is-the-new-job-creator-1887375 https://twitter.com/dpatil Accumulate and analyze polling and political data from hundreds of sources generated on a daily basis in a way that is informed, accurate and attractive Meet Patil Saheb writer, analyst and partner at a sports media company called Baseball Prospectus Analytics ...Velocity No of electors in the US Presidential electoral college Variable 635,803 50k insider Sam Wang Neuroscientist, Professor. Founded the Princeton Election Consortium - polling meta-analysis since 2004. Irony WHO CARES? Volume Predicted all states correctly Starting salaries LPA Variable Fill in the Blanks Percentage of states (49 out of 50) where he predicted the outcome of the US Presidential elections correctly 538 Firstly, Weighting by reliability. Secondly, regression estimate based on the demographics. Thirdly, inferential process to compute a trend. ‘current scenario’. Even where no recent elections have happened Fourthly, we simulate the election 10,000 times Velocity 4 8-14 jobs in India in next 2 years Why bother? 4 things you need to be an How will you take advantage? 1. Polling Average 2. Trend Adjustment 3. Regression 4. Snapshot: Estimate of what would happen if the election were held today. 5. Projection: What will happen in the election 6. Simulation: Simulate our results 10,000 times 6 50 Attention to detail Big Data, Big Advantage. Big Deal? Highest Rank on Amazon non fiction Repeat until numb Ifferent ers make sense O Steps Intelligence In His own words... ? ` If you smiled, this presentation is for you Compile data from everybody ELSE's surveys the ability to look at a problem in different, creative ways. Going up to LPA No guarantees, though.... Gaurav Vohra - Jigsaw 98 Nate D Data Science Amit Chatterjee - HP 4,183 Twitter Followers Volume Technical expertise Curiosity Storytelling Cleverness: 5-9 Nathaniel Silver