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Google Flu Trends: The Limits of Big Data – NYTimes.com

Google Flu Trends, once a poster child for the power of big-data analysis, seems to be under attack.This month, in a Science magazine article, four quantitatively adept social scientists reported that Google’s flu-tracking service not only wildly overestimated the number of flu cases in the United States in the 2012-13 flu season — a well-known miss — but has also […]

For big data, big thinking | Harvard Gazette

The information is vast, the challenges daunting, and the tools statistical. But in the end, Harvard’s new class on big data is as much about people as it is about methodology.The 29 students in “Statistics 183, Learning from Big Data,” work in teams that shift every few weeks, tackling challenges that involve enormous data sets. The students brainstorm and learn […]

Seeking Alpha Crowd Wisdom Predicts Future Stock Returns …

SummaryA recent academic study, highlighted in today’s WSJ, validates that crowd-sourced research is predictive of future stock prices.
SA articles and comments were predictive of future stock prices and earnings surprises over all time-frames studied, from one month to three years.
Traditional media, sell-side research, and […]

New book: Big Data, Mining, and Analytics: Components of Strategic …

This book ties together big data, data mining, and analytics to explain how readers can leverage them to extract valuable insights from their data. Big Data, Mining, and Analytics: Components of Strategic Decision MakingBy Stephan Kudyba
Hardcover: 325 pagesPublisher: Auerbach Publications (March 24, 2014)ISBN-10: 1466568704Illustrating basic approaches of business intelligence to the more complex methods of data and text mining, […]

'Big data' reveals human interests, behavior – Phys.org

(Phys.org) —Information technology advances are leading to ever-growing accumulations of “big data,” making it feasible to quantify more things long thought immeasurable.

Arizona State University professor Ying-Cheng Lai and his research partners are combining expertise in […]

SEC Employees Are Freakishly Good Stock Traders – Business Insider

Wikimedia CommonsTwo academics from the University of Virgina got a hold of the trading records of SEC employees — then they built a mock hedge fund to see how it would do. The results are all in a paper presetned at UVA’s Darden School of Business.
The academics, Emory University professor Shivaram Rajgopal and Georgia State University accounting PhD candidate Roger […]

Twitter 'big data' can be used to monitor HIV and drug-related …

ImagesVideoBlogsFor News MediaMedia contactsat UCLANews releasesAdvisoriesFaculty expertsAbout UCLABroadcast studioCampus mapNews van parkingCurrent IssuesUCLA budgetConference and guest centerDiversityAnimal researchAdmissionsCollege rankingsUseful LinksChancellor Gene BlockUCLA TodayUCLA MagazineEvents calendarAthleticsVeterans Resource CenterUCLA AlumniDaily BruinWestwood trafficUC NewsroomUCTVUCLA Newsroom > All Stories > News ReleasesTwitter ‘big data’ can be used to monitor HIV and drug-related behavior, UCLA study showsStudying link between HIV, drug use could […]

Researchers propose a better way to make sense of 'Big Data'

Big Data is everywhere, and we are constantly told that it holds the answers to almost any problem we want to solve. Companies collect information on how we shop, doctors and insurance companies gather our medical test results, and governments compile logs of our phone calls and emails. In each instance, the hope is that critical insights are hidden deep […]

How 'dark pools' can help public stock markets – Phys.org

A “dark pool” may sound like a mysterious water source or an untapped oil well. In reality, it’s a finance term: Dark pools are privately run stock markets that do not show participants’ orders to the public before trades happen. They are a growing presence in stock trading, now representing at least one-eighth, and possibly much more, of all stock […]