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Matthew Leingang

Lifelong debunker takes on arbiter of neutral choices - 0 views

  • A decade later, in 2002, a large manufacturer of card-shuffling machines for casinos summoned Diaconis to determine whether their new automated shufflers truly randomized the deck. (They didn't.)
    • Matthew Leingang
       
      I saw him talk about this. It was fascinating, especially when you consider that the problem is computationally very hard. The number of "shuffles" (permutations of a 52-card deck) exceeds the number of atoms in our galaxy, so it's impossible to build a computer with that much memory.
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    A biography about magician-turned-mathematician (probabilist) Persi Diaconis as well as a look at his experiments to understand the bias of a coin flip.
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    Great article. Everything I've been saying about Diaconis I learned through oral tradition. It's good to know I was pretty much right on.
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    Funny, after reading the article I concluded that you must've either read this article or a similar biographical sketch. Diaconis must be some legend! One of my favorite parts was that he was a bit 'rough' at one point. Gives the rest of us some hope!
hannar lee

The New Nostradamus | GOOD - 0 views

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    Michael A. M. Lerner talks with the man who is putting the "science" back in political science.
Matthew Leingang

For Today's Graduate, Just One Word - Statistics - NYTimes.com - 0 views

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    This is for those who wondered what a degree in math can get!
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    The rising stature of statisticians, who can earn $125,000 at top companies in their first year after getting a doctorate, is a byproduct of the recent explosion of digital data. In field after field, computing and the Web are creating new realms of data to explore - sensor signals, surveillance tapes, social network chatter, public records and more. And the digital data surge only promises to accelerate, rising fivefold by 2012, according to a projection by IDC, a research firm.
John Muccini

Behind Monty Hall's Doors: Puzzle, Debate and Answer? - The New York Times - 0 views

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    Although I did not enter the debate, I remember the Marilyn vos Savant vs. the mathematicians episode. I was in high school at the time. Marilyn's solution is sound, and her tactics are indeed wise: to people who disagreed with her explanation, she suggested they simply experiment and see what they find. So both the Bayesian and frequency models of probability are brought into play here. Persi Diaconis, the carnival card shark turned Harvard mathematics professor who I mentioned in class, is also quoted in this article. The Marilyn vs. the Mathematicians rematch did not turn out so well for her. When Wiles and Taylor finally proved Fermat's Last Theorem, she pronounced it phony because she didn't understand it. The mathematical consensus remains that the proof is good.
Samantha Spilkin

ACS :: Lifetime Probability of Developing or Dying From Cancer - 0 views

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    Yikes! A 45% chance of some kind of cancer. Not good news for those of us over 30.
Matthew Leingang

BRIDGE; BETTING WITH THE ODDS - The New York Times - 0 views

  • the second Earl of Yarborough offered an interesting bet to his whist-playing friends: a thousand to one against them picking up a hand with no card above a nine. Mathematics was on his side since the odds are 1,827 to 1. There is no record that he ever paid off.
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    NY Times article about bridge and probability
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    Unfortunately, the rest of the column is full of bridge jargon and I don't play. This is like NASCAR for nerds.
Matthew Leingang

Vehicle registration plates of Indiana - Wikipedia, the free encyclopedia - 0 views

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    Unless you're really interested in all the pictures of license plates, scroll down to "County coding" to see the mathematically relevant part. Ask yourself: how many license plates can be generating in the scheme used from 1963 to 2008? How many can be generated in the new scheme?
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    A gallery of Indiana license plates and description of the various coding schemes used.
Matthew Leingang

Glen Whitney's quest for a math museum : The New Yorker - 0 views

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    Not so much relevant to probability but a nice story and it mentions an NYU professor.
Matthew Leingang

Baseball Research Veers Into Left Field - WSJ.com - 0 views

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    When baseball dubbed shortstop Harold Reese "Pee Wee" and first basemen Fred Merkle "Bonehead," they probably weren't trying to lengthen the players' lives. But according to researchers at Wayne State University, major-league players who have nicknames live 2½ years longer, on average, than those without them. The nickname findings are part of the wide-ranging and often arcane academic research that deals with the national pastime. In another study, we learn that players whose first or last name begins with "K" strike out more than those without "K" initials. And in case you were wondering, research finds Democrats support the designated-hitter rule more than Republicans.
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    the initial K effect really gets me, probably because the human tendency to try and explain it does not work. The original paper is here and contains an additional study which found that "students whose names began with 'C' or 'D' earned lower GPAs than students whose names began with 'A' or 'B.'" http://papers.ssrn.com/sol3/papers.cfm?abstract_id=946249 Here is some criticism of the study. http://sabermetricresearch.blogspot.com/2007/11/k-study-for-real_26.html http://skepstat.blogspot.com/2007/12/why-i-am-javascript-master.html
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