Comments on: Roll Over, Preisendorfer

By: Richard Smith on PC Retention « Climate Audit

Richard Smith on PC Retention « Climate Audit — Thu, 09 Jun 2011 17:39:18 +0000

[...] components who was cited in MBH98, provided the following advice in his text- advice quoted at CA here: The null hypothesis of a dominant variance selection rule [such as Rule N] says that Z is [...]

By: TCO

TCO — Sat, 22 Jul 2006 14:14:05 +0000

Also, a while ago Ross said that the different PCs were not wieghted differently (PC1 more then PC2) within the reconstruction (other then the yes/no cutoff of course). One of our new commenters did talk about weighting. Which is most appropriate? Weighting or not?

By: TCO

TCO — Sat, 22 Jul 2006 14:12:06 +0000

It’s not even clear to me if Steve understood the decision on Preisendorfer “n”ing. If not, fine admit it. If so, why wasn’t this made more prominent in the paper?

By: TCO

TCO — Sat, 22 Jul 2006 14:09:26 +0000

Reading back over this is interesting. I think there is a tendancy for Steve to confound two changes when looking at an issue. For instance centering/standard deviation dividing. In this case, centering/preisendorfer n’ing. All are arguable, but they should be clearly layed out. For instance, here it would have been better to make the Preisendorfer n arguments in advance or just to show the effects in more of a full factorial BC manner.

By: TCO

TCO — Thu, 22 Sep 2005 03:23:22 +0000

The TCO cherry-popping (not picking) thread is still missing my initial comment…

By: TCO

TCO — Sat, 27 Aug 2005 03:16:46 +0000

moberg, ambio daly?

By: John A

John A — Mon, 15 Aug 2005 13:21:00 +0000

Re: #80 fFreddy, I would have said “post-modernist”

By: John Hunter

John Hunter — Mon, 15 Aug 2005 11:16:20 +0000

fFreddy (#80): You say “Oh, right. You’re an arts graduate.”.

Is that just a gratuitous slur on arts graduates or an attempt at a serious comment? If the latter, then please explain (if Steve hasn’t sensibly censored your comment before then).

By: fFreddy

fFreddy — Mon, 15 Aug 2005 10:39:35 +0000

Re #77, John Hunter.

There are many shades of truth, clouded by uncertainty.

Oh, right. You’re an arts graduate.

By: Dave Dardinger

Dave Dardinger — Thu, 11 Aug 2005 15:41:13 +0000

“There are many shades of truth, clouded by uncertainty.”

So pi isn’t know to millions of digits, the sun doesn’t rise in the east in the mornings (usual caveats applying), and AGW is only one of many ‘truths’ concerning climate change. [My favorite 'truth' is that the world is warming slightly from the heat generated by butterflies beating their wings in frustration for being blamed for hurricanes and suchnot.]

One thing for sure, however. To many regulars here you appear to be wasting Steve’s time on trivial things. Therefore your distortions and lack of logic aren’t going to be overlooked. “And,” as Edith Ann would say, “that’s the truth!”