Posted inPhilosophy
Stats 101: Chapter 1
UPDATE: If you downloaded the chapter before 6 am on 4 May, please download another copy. An older version contained fonts that were not available on all computers, causing it…
Posted inStatistics
Why multiple climate model agreement is not that exciting
There are several global climate models (GCMs) produced by many different groups. There are a half dozen from the USA, some from the UK Met Office, a well known one…
Posted inStatistics
Quantifying uncertainty in AGW
My friends, I need your help. I have written a paper on quantifying the uncertainty of effects due to global warming, but the subject is too big for one person.…
Posted inStatistics
Homework #1: Answer part II
In part I, we learned that all surveys, and in fact all statistical models, are valid only conditionally on some population (or information). We went into nauseating detail of the…
Posted inStatistics
CRITICAL ASSESSMENT OF CLIMATE CHANGE PREDICTIONS FROM A SCIENTIFIC PERSPECTIVE
Here is the link to the symposium which I mentioned a few weeks back. It is being sponsored by the Ram?n Areces Foundation and the Royal Academy of Sciences of…
Posted inFun
Maybe your parents were right
They dropped the charges against that poor eighth-grade kid who was caught with a dollar bag of Skittles somewhere up in Connecticut. I'm not so sure that this is a…
Posted inStatistics
It depends what the meaning of mean means.
Yesterday's post was entitled, "You cannot measure a mean", which is both true and false depending---thanks to Bill Clinton for the never-ending stream of satire---on what the meaning of mean…
Posted inStatistics
You cannot measure a mean
I often say---it is even the main theme of this blog---that people are too certain. This is especially true when people report results from classical statistics, or use classical methods…