Posted inPhilosophy Statistics
All Models Are Not Wrong
George Box said, "Remember that all models are wrong; the practical question is how wrong do they have to be to not be useful." This is usually misremembered as the…
Posted inStatistics
Seasonal Climate Forecasts Do Not Have Skill
David Lavers is the lead author in a GRL paper "A multiple model assessment of seasonal climate forecast skill for applications." Lavers et al. checked eight different climate models and…
Posted inStatistics
R Lectures Update
Lectures are on hold for the next two weeks. I'll be traveling and unable to to create any new award-winning videos. Nor any new non-award-winning videos.
Posted inStatistics
Predictive Statistics: GPA Case Study, Part II
Read Part I : Download the Quirk’s article. To understand why ordinary regression assumptions are bad, we need to look at some (new data) scenarios. Suppose that Bob had a…
Posted inStatistics
Predictive Statistics: GPA Case Study, Part I
Read Part II : Download the Quirk’s article. Predictive statistics differs from classical (frequentist and Bayesian) practices because it focuses on observables and not metaphysical entities. Observables are the data…
Posted inFun
Monday Moanin’
I stole that title from the late Bob Talbert, an everyman columnist from the late, or possibly undead, Detroit Free Press. He would use that title whenever he had a…
Posted inPhilosophy Statistics
Ayn Rand and the Differences Between Groups
Roger Kimball is causing a stink, a predictable yet enjoyable stink, by publishing Anthony Daniels's review of an Ayn Rand biography in this month's The New Criterion. There are two…
Posted inFun
What do you guys look like?
How many of you are there? According to a mixture of Wordpress and Google Analytics statistics reports, I receive roughly twelve to fifteen hundred hits per day. That's excluding bots…