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Archive for 'Encyclopedia'

Don’t be that person who mixes up opt-in and opt-out

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People often say opt-in when they mean opt-out and they say opt-out when they mean opt-in.

How to get a no-nonsense weather forecast

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How to get your own no-nonsense local weather forecast graph for people who understand graphs and probability.

Those annoying animated ads may cost more than they are worth to websites

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A Journal of Marketing Research article finds that annoying ads may cost more money than they are worth

When to fly to get there on time? Six million flights analyzed.

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We analyzed over six million flights to help you decide on the best time to travel to avoid delays.

Rules of thumb to predict how long you will live

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Figure out how long you will live with these rules of thumb.

How to make a Romeo and Juliet sandwich

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The question often arises: What is the best decision science food? It’s the Romeo and Juliet sandwich, an adaptation of the popular Brazilian desert “Romeu e Julieta”.

It’s the effect size

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Enter the concept of effect size. Effect size gives one a way to think about how large an effect (e.g. a height difference) is, not just the probability of the data given the null hypothesis.

Kahneman interview

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When was saw this interview featuring two JDM giants, Richard Thaler and Nobel Laureate Daniel Kahneman, we knew we had to run it.

How do people die?

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A GLOBAL VIEW The Guardian newspaper in the UK made this rather amazing interactive infographic (click through to interact) on causes of death, conditioned on age and region, around the world. They also provide, below, a display of ranked causes of death, and how they’ve changed since 1990. How do people die? One thing that […]

Numbers worth knowing: 142857

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ONE CRAZY NUMBER We at DSN thought it would be worth memorizing some reciprocals because we have a system for remembering numbers and because it might come in handy. So, we started writing out 1/x 1/2 = .5 1/3 = .3 1/4 = .25 1/5 = .2 1/6 = .16 1/7 = .142857 1/8 = […]