Posted inStatistics
TSA De-diapers Old Lady (Update) And German Jokes
Another busy day---but still some things to ponder. TSA You'll have heard the TSA forced a 95-year-old woman, on her way home to die among family, was forced to strip…
Posted inPhilosophy Statistics
A New (Old) View Of Statistics. Ithaca Teaching Journal, Day 11
It is often difficult to keep in mind all the links in a chain of argument when that chain is long.1 This is especially so when one expects that chain…
Posted inStatistics
Regression Examples. Normal Distributions Often Stink. Ithaca Teaching Journal, Day 10
Today, just one example, and the simplest kind, to show you that using regular regression, with its assumptions of "normality", can quickly lead to absurdities---absurdities which will pass unnoticed using…
Posted inStatistics
Picking X’s In Regression. The Role Of Relevance. Ithaca Teaching Journal, Day 9
Be sure to first read Statistical Significance Does Not Mean What You Think. Climate Temperature Trends then Regression Is Not What You Think. Climate And Other Examples, as this post…
Posted inStatistics
Regression Is Not What You Think. Climate And Other Examples. Ithaca Teaching Journal, Day 8
Be sure to first read Statistical Significance Does Not Mean What You Think. Climate Temperature Trends, as this post is an extension of it. As yesterday: If y is some…
Posted inStatistics
Statistical Significance Does Not Mean What You Think. Climate Temperature Trends. Ithaca Teaching Journal, Day 7
There are a subset of professional statisticians---defined as folks who have had formal training in the field given to them by other professionals---who feel that the field of statistics is…
Posted inStatistics
The Purpose Of All Statistics. Ithaca Teaching Journal, Day5
First, and most strongly, probability need not have anything to do with data. For example, we can compute a value for the probability that "Matt wears a hat" given the…
Posted inStatistics
Combinatorics. Ithaca Teaching Journal, Day 4
I often use this example, last night given as homework: if you have a bottle of bourbon, one of scotch, and another of beer, how many ways can you pour…