Posts Tagged ‘ data ’

Did web scraping just receive a legal boost?

August 15, 2017
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Kaiser Fung, founder of Principal Analytics Prep and author of Numbersense, discusses a recent legal ruling against LinkedIn's technologies that restricts web scraping.

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Know your data 21: another example of data sleaze, straight from your home

August 1, 2017
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Kaiser Fung, founder of Principal Analytics Prep and author of Numbersense, reacts to the news that Roomba captures detailed maps of people's homes.

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The imprecision of data, subway edition

July 19, 2017
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The imprecision of data, subway edition

Kaiser Fung, founder of Principal Analytics Prep, draws practical lessons from a CUNY advertisement in the subway train

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Unintentional deception of area expansion #bigdata #piechart

June 14, 2017
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Unintentional deception of area expansion #bigdata #piechart

Kaiser Fung, founder of Principal Analytics Prep, deconstructs a visualization of Big Data adoption in industry

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Data bite back: a Harvard lesson

June 7, 2017
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New York Times reports that Harvard rescinded admission offers to 10 students (link). These kids allegedly engaged in horrible behavior on "private" chatrooms online. Not reported is how Harvard admission officers got a hold of such information. Is it possible there are jealous classmates? I am not condoning the bad behavior - I put this link up to remind people: (a) no data are private, not even "deleted" data (b)…

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Why Tesla owners pay more for insurance

June 6, 2017
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A nice article in Zerohedge about the recent rate hike for Tesla owners (link). Of course, Tesla is crying foul. The gist of the story is that Tesla owners tend to get into more crashes and the repair cost is higher than for other brands. The former is a matter of statistics - but also self-selection: in my limited encounters, the first things Tesla owners tell me about their cars…

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Book review: Everybody Lies by Seth Stephens-Davidowitz

May 15, 2017
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Book review: Everybody Lies by Seth Stephens-Davidowitz

Kaiser Fung, founder of Principal Analytics Prep, discusses Seth Stephens-Davidowitz's new book, Everybody Lies

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The Times agrees on privacy and kind of on fake news business

May 11, 2017
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The New York Times Magazine has been publishing some pieces that directly relate to a couple of my blog posts. In this article, Amanda Hess noticed that "privacy became a commodity for the rich and powerful." This echoes my blog post on "Data is the next frontier of equal rights." Hess discussed the asymmetry and hypocrisy of the situation whereby the same businesses and business executives that are wantonly stripping…

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A pretty good chart ruined by some naive analysis

May 10, 2017
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A pretty good chart ruined by some naive analysis

The following chart showing wage gaps by gender among U.S. physicians was sent to me via Twitter: The original chart was published by the Stat News website (link). I am most curious about the source of the data. It apparently...

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Here’s What I’ve Been Reading

May 5, 2017
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Here’s What I’ve Been Reading

Here are some of the papers that I've been reading recently. Some of them may appeal to you, too:Bampinas, G., K. Ladopoulos, &T. Panagiotidis, 2017.  A note on the estimated GARCH coefficients from the S&P1500 universe. WP 17-09, Rimini C...

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