Dave Burge on the Voronoi Tessellation
Today’s goodie is for both my readers who chide me for not including enough math. David Burge on the Voronoi Tessellation. Continue Reading →
Category Archives: Math Is Hard
CDC estimated a one-year decline in life expectancy in 2020. Not so — try five days
In plain English, Mr. Bach explains how the CDC calculated the change in life expectancy, why it was wrong, and then fixes their math. Continue Reading →
Three dead in national park system accidents as shutdown wears on
Three dead in national park system accidents as shutdown wears on[!!] That was the screaming headline in the Washington Post January 5, 2019. Continue Reading →
Celebrate Pi Day With Some Math
[Updated 3.15 with this delicious photo and comment.] From Iowahawk on Twitter (@iowahawkblog) Correction: Happy lim[n→∞] 2^4n / (n * (2n! / (2*(n!)))^2) Day #PiDay How to bake your own Continue Reading →
Dr. Peto’s Response to an Editor’s Request for Statistics
“The patients were subdivided into 12 … groups according to their medieval astrological birth signs.” When the tongue-in-cheek zodiac subgroups were analyzed, Geminis and Libras were found to have no benefit from aspirin, but the drug “produced halving of risk if you were born under Capricorn.” Continue Reading →
Junk Science Says You Should Have Fewer Kids
In other words they compared activities during a single year with CO2 emissions over the life of the child. But they didn’t stop there. They basically created an infinite series based on the emissions of grandchildren, great-grandchildren, and so on. Continue Reading →
![Communist Core Math why common core [math] fails the test](http://gonzoecon.com/wp-content/uploads/2017/06/communism-1.sized-770x415xc.jpg)
Why Common Core [Math] Fails the Test
“Why common core [math] fails the test.” That’s the title of Sarah Hoyt’s wonderful article over at PJ Media. Ms. Hoyt describes, in great detail, why Common Core math was Continue Reading →
The Economist Made Me an Offer I Can’t Understand
The best I can say about this is that the pricing is confusing and appears irrational. If The Economist really wants my business, they’ll have to make me an offer I can understand. Continue Reading →
Math is Hard
It’s not clear how a 20-ounce cup can hold only 16 ounces of beer [sic] (or perhaps a 16-ounce cup can hold 20). But 16 ounces for $4 amounts to 25 cents an ounce, while 24 ounces for $7 comes to more than 29 cents an ounce, and 20 ounces for $7 is a whopping 35 cents an ounce. … It’s hard to see how that could add up to $10,000 in actual damages, but math doesn’t seem to be the plaintiffs’ strong suit. Continue Reading →
President Obama Has a Solution to a Problem Created by the ACA
The President’s solution? Increase the minimum wage! That’s a great idea — instead of just getting hours cut, some of those employees will find themselves with their work hours reduced to zero. These are the employees who lost their jobs du to the minimum wage hike. Continue Reading →