## Follow John D. Cook | Singular Value Consulting on Feedspot

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- 1d ago
If something is outside your grasp, it’s hard to know just how far outside it is. Many times I’ve intended to sit down and understand ..read more
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- 2d ago
Typesetting zodiac symbols in LaTeX is admittedly an unusual thing to do. LaTeX is mostly used for scientific publication, and zodiac ..read more
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- 2d ago
I read in Wikipedia this morning that there’s a pattern to the parity of flight numbers. Among airline flight numbers, even numbers ..read more
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- 4d ago
I was reading Rupert Miller’s book Beyond ANOVA when I ran across this line: I never use the Kolmogorov-Smirnov test (or one of its ..read more
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- 5d ago
There are tools that I’ve used occasionally for many years that I’ve just started to appreciate lately. “Oh, that’s why they did ..read more
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- 6d ago
Mersenne primes are prime numbers of the form 2p – 1. It turns out that if 2p – 1 is a prime, so is p; the requirement that p is prime ..read more
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- 6d ago
Here is a 12-minute video from Minute Physics, in collaboration with the US Census Bureau, giving an overview of differential privacy and ..read more
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- 6d ago
The Collatz conjecture asks whether the following procedure always terminates at 1. Take any positive integer n. If it’s odd, multiply ..read more
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- 6d ago
One of the things I liked about Perl was string interpolation. If you use a variable name in a string, the variable will expand to its ..read more
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- 6d ago
In my previous post on VIN numbers, I commented that if a check sum has to be one of 11 characters, it cannot detect all possible changes ..read more

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