Blog Archives

Another rule of three, this one in statistics

April 14, 2017
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Another rule of three, this one in statistics

Here's another rule of three, this one in statistics. The post Another rule of three, this one in statistics appeared first on Decision Science News.

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How many digits into pi do you need to go to find your birthday?

March 17, 2017
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How many digits into pi do you need to go to find your birthday?

FIND YOUR BIRTHDAY IN PI, IN THREE DIFFERENT FORMATS It was Pi Day (March 14, like 3/14, like 3.14, get it?) recently and Time Magazine did a fun interactive app in which you can find your birthday inside the digits of pi. However: 1) They only used one format of birthday, in which July 4th The post

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Turn your tough decisions into simple rules

August 18, 2016
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Turn your tough decisions into simple rules

If you know R, you could building simple, accurate decision rules today with this sweet new package. The post Turn your tough decisions into simple rules appeared first on Decision Science News.

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Heuristica: An R package for testing models of binary choice

August 2, 2016
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Heuristica: An R package for testing models of binary choice

It just got a lot easier to simulate the performance of simple heuristics. The post Heuristica: An R package for testing models of binary choice appeared first on Decision Science News.

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How many calories should you eat per day?

July 6, 2016
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How many calories should you eat per day?

How many calories should you eat per day, based on your age, sex, and activity level? Here are the US government's recommendations. The post How many calories should you eat per day? appeared first on Decision Science News.

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R is now the number two statistical computing program in scholarly use

June 20, 2016
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R is now the number two statistical computing program in scholarly use

We were surprised to see that R has passed SAS for scholarly use. We were surprised because we assumed this would have happened years ago. The post R is now the number two statistical computing program in scholarly use appeared first on Decision Science News.

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Can’t compute the standard deviation in your head? Divide the range by four.

June 17, 2016
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Can’t compute the standard deviation in your head? Divide the range by four.

Suppose you divide the range by four instead of taking the standard deviation. How accurate will you be? The post Can’t compute the standard deviation in your head? Divide the range by four. appeared first on Decision Science News.

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What are the most educated counties in the US?

April 15, 2016
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What are the most educated counties in the US?

The 25 US counties with the highest percentage of bachelors and graduate degrees. The post What are the most educated counties in the US? appeared first on Decision Science News.

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The representative reviewers project for the SJDM conference

April 7, 2016
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The representative reviewers project for the SJDM conference

We have a plan to make the conference's review committee representative. The post The representative reviewers project for the SJDM conference appeared first on Decision Science News.

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Most soccer matches are within one goal of 1-0

March 1, 2016
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Most soccer matches are within one goal of 1-0

We know soccer is a low scoring sport, but how many matches do you think end within one goal of 1-0? The post Most soccer matches are within one goal of 1-0 appeared first on Decision Science News.

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