Iowahawk Takes His Post and Shoves it Like a Hockey Stick Up Mann's Mavening Arse

Much better than his original post on "Ace". Clear and with sufficient detail. More good statistics there than a thousand Pepe's bloomin'

" In all the talk of "models" and "smoothing" and "science" and "hide the decline" it became apparent to me that very very few of the people chiming in on this have even the slightest idea what they are talking about. This goes for both the defenders and critics of the scientists.

Long story, but I do know a little bit about statistical data modeling -- the principle approach used by the main cast of characters in Climategate -- and have a decent understanding of their basic research paradigm. The goal here is to share that understanding with interested laypeople. I'm also a big believer in learning by doing; if you really want to know how a carburetor works, nothing beats taking one apart and rebuilding it. That same rule applies to climate models. And so I decided to put together this simple step-by-step rebuilder's manual. Regardless of what side you've chosen in the climate debate (I'm not going to pretend that I'm anything but a crazed pro-carbon extremist) I hope this will give you a nuts-and-bolts understand what climate modeling is about, as well as give some context to the Climategate emails."

UPDATE: Iowahawk is all bullshit. The section on PCA is all nonsense.