Blog Archives

Hypothesis testing is only mostly useless

May 1, 2015
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Hypothesis testing is only mostly useless

UPDATE May 4: Nature recently reported the outcome of an attempt to replicate 100 results from psychology research. They characterize the findings as "worrying." In my previous article I argued that classical statistical inference is only mostly wron...

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Two hour marathon by 2041 — probably

April 15, 2015
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Two hour marathon by 2041 — probably

Last fall I taught an introduction to Bayesian statistics at Olin College.  My students worked on some excellent projects, and I invited them to write up their results as guest articles for this blog.  Previous articles in the series are:Baye...

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Bayesian survival analysis for "Game of Thrones"

March 25, 2015
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Bayesian survival analysis for "Game of Thrones"

Last fall I taught an introduction to Bayesian statistics at Olin College.  My students worked on some excellent projects, and I invited them to write up their results as guest articles for this blog.One of the teams applied Bayesian survival anal...

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Statistical inference is only mostly wrong

March 2, 2015
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Statistical inference is only mostly wrong

p-values banned!The journal Basic and Applied Social Psychology (BASP) made news recently by "banning" p-values.  Here's a summary of their major points:"...the null hypothesis significance testing procedure (NHSTP) is invalid...". &nbsp...

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Upcoming talk on survival analysis in Python

February 24, 2015
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Upcoming talk on survival analysis in Python

On March 2, 2015 I am presenting a short talk for the Python Data Science meetup.  Here is the announcement for the meetup.And here are my slides:The code for the talk is in an IPython notebook you can view on nbviewer.  It is still a work in...

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Bayesian analysis of match rates on Tinder

February 10, 2015
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Bayesian analysis of match rates on Tinder

Last fall I taught an introduction to Bayesian statistics at Olin College. My students worked on some excellent projects, and I invited them to write up their results as guest articles for this blog. Just in time for Valentine's Day, here's the secon...

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Godless freshmen: now more Nones than Catholics

February 5, 2015
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Godless freshmen: now more Nones than Catholics

This article is an update to my annual series on one of the most under-reported stories of the decade: the fraction of college freshmen who report no religious preference has more than tripled since 1985, from 8% to 27%, and the trend is accelerating.I...

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Bayesian predictions for Super Bowl XLIX

January 26, 2015
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Bayesian predictions for Super Bowl XLIX

Last fall I taught an introduction to Bayesian statistics at Olin College. My students worked on some excellent projects, and I invited them to write up their results as guest articles for this blog. Here is the first article of the series:Predicting...

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Statistics tutorials at PyCon 2015

December 17, 2014
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Statistics tutorials at PyCon 2015

I am happy to announce that I will offer two statistics tutorials at PyCon 2015 on April 9 in Montreal.  In the morning session I am teaching Bayesian Statistics Made Simple, which I have taught several times before, including the last three PyCon...

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The Rock Hyrax Problem

December 4, 2014
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The Rock Hyrax Problem

This is the third of a series of articles about Bayesian analysis.  The previous article is here.Earlier this semester I posed this problem to my Bayesian statistics class at Olin College:Suppose I capture and tag 10 rock hyrax...

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