[ View menu ]

Archive for 'Encyclopedia'

Turn your tough decisions into simple rules

Filed in Encyclopedia ,Ideas ,Programs ,R ,Tools
Subscribe to Decision Science News by Email (one email per week, easy unsubscribe)

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

Filed in Encyclopedia ,Ideas ,Programs ,R ,Tools
Subscribe to Decision Science News by Email (one email per week, easy unsubscribe)

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

Prediction markets have to occasionally “get it wrong” to be calibrated

Filed in Encyclopedia ,Jobs ,Research News
Subscribe to Decision Science News by Email (one email per week, easy unsubscribe)

Two recent events in the UK made it look like prediction markets’ predictions aren’t worth much. But looks can be deceiving.

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

Filed in Encyclopedia ,Ideas ,R ,Research News
Subscribe to Decision Science News by Email (one email per week, easy unsubscribe)

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.

Filed in Encyclopedia ,Ideas ,R
Subscribe to Decision Science News by Email (one email per week, easy unsubscribe)

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?

Filed in Encyclopedia ,R
Subscribe to Decision Science News by Email (one email per week, easy unsubscribe)

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

The Wall Street Journal uses the word “percentile” incorrectly

Filed in Encyclopedia ,Gossip ,Ideas
Subscribe to Decision Science News by Email (one email per week, easy unsubscribe)

The Wall Street Journal gets the definition of percentile backwards.

Change how you see the countries of the world: This time with infographics

Filed in Encyclopedia ,Ideas ,Programs ,Research News
Subscribe to Decision Science News by Email (one email per week, easy unsubscribe)

VISUALIZING COUNTRIES IN TERMS OF US STATES Syria is about the size of Florida with about the same population     Change how you see the world. Put things into perspective! In our most labor-intensive post ever, Jake Hofman and I have created, for every country in the world, a way to think of that […]

Talking about decisions interview series

Filed in Encyclopedia ,Ideas
Subscribe to Decision Science News by Email (one email per week, easy unsubscribe)

JDM (Judgment and Decision Making) researchers like Reid Hastie and Tom Wallsten have participated in the online interview series “Talking about Decisions” produced by the Max Planck Institute for Human Development in Berlin.

Winning streaks in baseball

Filed in Encyclopedia ,Ideas ,R
Subscribe to Decision Science News by Email (one email per week, easy unsubscribe)

How rare are winning streaks in baseball?