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Name: Jay
Country: United States
State: California
Birthday: 3/27/1981
Gender: Male


Interests: badminton, baseball, sports in general, video games, movies, web design, cards, food
Expertise: decision analysis, game theory, operations research, statistics, Excel/VB, math.
Occupation: Assistant Professor
Industry: Department of Defense


Message: message me


Member Since: 5/11/2004

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Thursday, October 22, 2009

Video Game Music Words Quiz, Part 2

I've added a lot of new video game music to my collection since the last one.  For a drink, which of the following words appears the most often in song titles in my video game folder?  Same rules as last time:  other forms of the word count, but compound words that include the word do not.  Remix song titles do not count.  As a tiebreaker, guess the 2nd most frequent word.  Contest closes 10/28 at 11:59 PM.

Time
World
Spirit
Village
Dark
Memory
Castle
Palace
Eye
Star
Temple
Day
Prelude
Song*
Chocobo

*The 11 different versions of the "Song of Prayer" in Final Fantasy X only count as one.  Even though they're so damn catchy.


Saturday, October 17, 2009

Currently
Outliers: The Story of Success
By Malcolm Gladwell
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This is another one of those books that I feel like everyone should be strapped down Clockwork Orange style and forced to understand.  Causality is a tricky idea that the human brain has a lot of trouble dealing with, and we often ascribe horribly incorrect explanations to unusual events.

One of the points that really resonated with me was:  when the author says (or I say) that someone like Bill Gates was lucky, people interpret that as a criticism, and get incredulous and defiant.  It is NOT a criticism.  Bill Gates is brilliant and hardworking.  But his wealth is not a result of him being more brilliant and hardworking than everybody else.  A ton of people are brilliant and hardworking.  Out of that large pool of people, Bill Gates is incredibly wealthy because he happened to be in a fortunate combination of circumstances that gave him the opportunity.  Too many people cling to this baffling insistence on attributing phenomenal success to one or two simple personality traits.


Tuesday, September 15, 2009

If I ever see someone carrying a sign comparing Obama to Hitler, I will punch them in the face.

Hitler -> Holocaust -> genocide.

Obama -> ??? -> theory of special relativity -> ??? -> u-substitution -> ??? -> Modus Ponens -> ??? -> machine wash warm, tumble dry -> ??? -> divide by zero -> ??? -> Bake at 375 degrees for 25 minutes -> ??? -> Fourier transform -> ??? -> Insert disc 2 to continue -> ??? -> Use staple remover on tremendous dangerous-looking yak -> ??? -> inverse tangent -> ??? -> disengage from reality -> ...Hitler?


Sunday, September 13, 2009

Driving in the Fast Lane

I've noticed something interesting during my last few road trips.  In many cases, I can actually go faster driving in the right lane.  During long stretches of freeway with no exits, there are sometimes no cars in the right lane.  I think a lot of people have a complex about not wanting to be seen as a slow inept driver who can't keep up with traffic, so they refuse to drive in the slow lane.  Everyone in the crowded left lane is doing 60*, so I move over to the "slow" lane and pass them all going 75.  People are idiots.

*These speeds are on the section of 101 south of Gilroy.  It's a little winding, so you can't do typical high freeway speeds.


Monday, August 31, 2009

Another Math/Stats Challenge

This one stemmed from a question that was asked during a regression lecture.

When told about the least squares approach (fitting a line through a scatterplot to minimize the sum of the points' squared vertical distances from the line), a guy in the audience asked "why use the vertical distances instead of the actual distances from the line?"

My response was:  "You get the same line either way."  He didn't believe me, so I proved it.  Can you?  It's for a drink, as per usual.

Edit:  I guess Ian should get a drink for pointing out to me that this is in fact not true, and my proof has a mistake in it.



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