Posted inPhilosophy Statistics
Teaching Journal: Day 5
Let's make sure we grasped yesterday's lesson. Emails and comments suggest we have not. These concepts are hardest for those who have only had classical training. We want to know…
Posted inPhilosophy Statistics
Teaching Journal: Day 4
Today is the quietest day, a time when all is still, a moment when nary a voice is raised and, quite suddenly, appointments are remembered, people have to be seen,…
Posted inFun Statistics
Interest In On-Line Statistics Courses?
You might have heard what happened to when Stanford professor Andrew Ng put his machine learning (a practical kind of statistical modeling) on line. He expected mild interest. One hundred…
Posted inStatistics
Statistics Proves Same Drug Both Causes And Does Not Cause Same Cancer
No, the title of today's post is not a joke, even though it has often been used that way in the past. The title was inspired by yesterday's Wall Street…
Posted inPhilosophy Statistics
The Jeffreys-Lindley Paradox Isn’t
Background A paradox is a mistake in thinking; an artificial, human creation which usually arises because a conclusion which follows from a set of beloved premises is itself unloved. Twitter…
Posted inStatistics
Why Reconstructed Temperatures Via Proxies Are Misleading
This is an edited and expanded re-post from last September; it makes a natural and needed companion to last week's series on how to statistically handle temperature time series, particularly…
Posted inPhilosophy Statistics
Let’s Try This Time Series Thing Again: Part V
Part I, II, III, IV, V. We started by assuming each X was measured without error, that each observation was perfectly certain. This is not always so for real X.…
Posted inPhilosophy Statistics
Let’s Try This Time Series Thing Again: Part III
Part I, II, III, IV, V. The objection which will occur to those, Lord help them, who have had some statistical training is that "increased" means a combination of "linear…