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Archive for 'R'

Getting old in baseball

Filed in Ideas ,R
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We look at how batting average changes with age

Rules of thumb to predict how long you will live

Filed in Encyclopedia ,Ideas ,R
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Figure out how long you will live with these rules of thumb.

Part 2 of Who We Are: Society for Judgment and Decision Making (SJDM)

Filed in R ,SJDM
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An analysis of where the SJDM members are from in the world.

Society for Judgment and Decision Making: Who Are We (Part 1)

Filed in R ,SJDM
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An analysis of the academic departments of SJDM society members.

What makes a good academic conference?

Filed in Ideas ,R ,SJDM-Conferences
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What makes a good academic conference? Here’s what we like.

Baseball: Probability of winning conditional on runs, hits, walks and errors

Filed in Ideas ,R
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If a team scores X runs, what’s the probability it will win the game?

Which airline should you be loyal to?

Filed in Ideas ,R
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LOYALTY PROGRAM CHOICE BASED ON DEPARTURE COUNT If you read Decision Science News, you’re probably a professor or grad student or researcher or policy type who flies around a lot to conferences, symposia, workshops, tutorials, summer schools, and all-hands meetings. You travel the globe to give talks and work with co-authors. All this flying around […]

1.5 percent of doctors, a quarter of malpratice reports

Filed in Ideas ,R ,Research News
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Some doctors receive more malpractice reports than others. Just how unequal is the distribution of malpractice reports?

To pre-pay or not to pre-pay for gas when renting a car?

Filed in Ideas ,R
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One question we get asked a lot is whether it’s worth it to pre-pay for the tank of gas when renting a car.

At first, blush it seems like something you should never do. In the best case, you pay market rate for gas, and in the worst case, you pay for a tank of gas you never consume (what if your trip gets cancelled)?

At second blush, it can be worth the risk to avoid the hassle of fueling up just before returning the car. If your time and peace of mind are worth something, then maybe you should pre-pay when you are reasonably sure you’ll return it below a certain percentage full. But what percentage?

Stadium / home team effects in making field goals

Filed in Encyclopedia ,Ideas ,R
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We take on a reader question of whether the stadium / home team matters for making a field goal. We pulled up the data on every field goal since 2002 (over 10,000) of them and plotted the probability of scoring as a function of the stadium in which the field goal was kicked.