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Archive for 'R'

Another rule of three, this one in statistics

Filed in Encyclopedia ,Ideas ,R
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Here’s another rule of three, this one in statistics.

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

Filed in Ideas ,R
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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 […]

Turn your tough decisions into simple rules

Filed in Encyclopedia ,Ideas ,Programs ,R ,Tools
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If you know R, you could building simple, accurate decision rules today with this sweet new package.

Heuristica: An R package for testing models of binary choice

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It just got a lot easier to simulate the performance of simple heuristics.

How many calories should you eat per day?

Filed in Ideas ,R
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How many calories should you eat per day, based on your age, sex, and activity level? Here are the US government’s recommendations.

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

Filed in Encyclopedia ,Ideas ,R ,Research News
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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.

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

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Suppose you divide the range by four instead of taking the standard deviation. How accurate will you be?

What are the most educated counties in the US?

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The 25 US counties with the highest percentage of bachelors and graduate degrees.

The representative reviewers project for the SJDM conference

Filed in Conferences ,R ,SJDM ,SJDM-Conferences
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We have a plan to make the conference’s review committee representative.

Most soccer matches are within one goal of 1-0

Filed in Ideas ,R
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We know soccer is a low scoring sport, but how many matches do you think end within one goal of 1-0?