Blog Profile / The Numbers Guy


URL :http://blogs.wsj.com/numbersguy/
Filed Under:Academics / Mathematics
Posts on Regator:465
Posts / Week:1.3
Archived Since:December 12, 2008

Blog Post Archive

Behind The Numbers: GDP, the Sequel

When the Commerce Department releases its first reading of second-quarter gross domestic product this coming Thursday, there will also be a spate of annual revisions. This happens every year and serves to give more retroactive perspective on the U.S.'s economic growth trajectory.

Pi the Numbers: 22/7

In the day/month format that is used in some parts of the world, 22/7 is celebrated in some circles (ahem) as Pi Approximation Day?, where 22 divided by 7 yields a quotient that represents pi.

Behind The Numbers: Baby-Name Data

One reason social scientists and others use U.S. baby names to study cultural trends is simply because the data are readily available.

Behind The Numbers: a PSA on SPFs

One thing fair-skinned beach lovers should keep in mind is that the surest way to prevent sunburn is to avoid exposure entirely: Seek out shade and wear protective clothing and sunglasses that filter out UV rays.

Number of the Day: 1

Today's number, 1, comes courtesy of the leap second.

Train of Thought: Sometimes Numbers Speak for Themselves

Last night in baseball--with home runs galore, a cycle and a run of shutouts seen just five times--was a wonderful reminder that numbers are sometimes just cool for the accomplishment they represent.

Number of the Day: $1.64 Billion

"Jurassic World" set a box-office record for the best opening weekend of all-time. Even better? The inflation-adjusted returns of "Gone With the Wind" in 1939.

Behind The Numbers: American Pharoah and 37 Years

By winning horse racing's Triple Crown this past weekend, American Pharoah entered the conversation on where he stands among all-time great thoroughbreds. But ranking American Pharoah is a subjective game.

Better Bets on American Pharoah?

Wagering on American Pharoah to place (come in second or better) or show (third or better)--even for horse players who are convinced the highly touted winner of the Kentucky Derby and the Preakness Stakes is destined to cross the Belmont wire first--might be the best bets.

Number of the Day: 103,484

Today's number, 103,484, comes courtesy of the word count in General Electric's annual financial report.

Behind The Numbers: Branch Out, Introverts

The social networks of introverts tend to be smaller than the networks of extroverts, which could affect their careers, according to new research by two Dartmouth professors.

Big Jackpots, Mega Long Odds and Office Pools

With the Mega Millions lottery jackpot at $233 million for Friday's drawing, workplace office pools are quite likely cropping up like wild mushrooms after a rainfall. At least they have here at Numbers HQ.

Behind The Numbers: A Busted ‘Time Series’

The Current Population Survey provided reliably comparable data on the number of uninsured Americans--until last year.

Time Check: Markets Fret a Leap Second

As The Numbers wrote in January, the leap second is due to make one of its periodic appearances later this year. And markets are jumpy.

Behind The Numbers: Food for Thought

When it comes to data, the language used to explain is often as important as the numbers. The USDA's estimates of where folks are eating is a prime example.

Numbers Noise: IP Addresses Near Limit

The U.S. is running out of Internet Protocol addresses. But this doesn't mean the Internet has reached its limit.

Number of the Day: $179.4 Million

Today's number, $179.4 million, comes courtesy of the auction house Christie's, which on Monday evening sold Picasso's "Women of Algiers (Version O)" to an anonymous telephone bidder.

Numbers of the Week

Every day this week will be the same forward and backward, if formatted as it is in the U.S. as 5/11/15 (i.e., 51115, 51215, etc).

Numbers Game: 2, 3, 4, 5 = 18 (But How?)

Take the numbers 2, 3, 4, 5, use any combination of addition, subtraction, multiplication and division and arrive at an answer of 18.

Behind The Numbers: Scoring on the SAT Score

Professional test-prep courses are time-consuming and expensive, but if they significantly boost a student’s SAT score, they might be worth it for those who can afford the coaching.

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