March 14, 2024
The DIY Utopia Hidden in the British Countryside
Over the hills and far away, there lies a place called Rockaway Park. Here – on a stretch of land…
Hard hitting global and local news
Hard hitting global and local news
Over the hills and far away, there lies a place called Rockaway Park. Here – on a stretch of land…
A three-year-old girl was hoisted dozens of metres into the air at an annual kite festival in Taiwan on Sunday…
toto said… My understanding is that "short-centering" was actually a bona-fide bug. If you’re computing a covariance matrix by simply multiplying the data with its own inverse, "short-centering" the data around the recent past will produce "fake covariance" of all series with the hockey-stickish series (with a negative sign, but that’s irrelevant).The actual PCs being computed are the same, but the ‘hockey-stickish’ ones now seem to explain much more of the variance – spuriously so.Unfortunately the auditor-in-chief proceeded to introduce a bug of his own, by keeping the same number of PCs as Mann after full-centering the matrix, even though by then you need to include more PCs to capture sufficient variance
Continue Reading: Obdurate Ignorance Meets Flood Insurance
Read this article: We don’t know everything, but we know enough!
See APS policy review "The members of the Subcommittee are: Steven Koonin (chair), Phillip Coyle, Scott Kemp, Tim Meyer, Robert Rosner and Susan Seestrom."(That was not in WSJ, but I suspect will appear, given some of the other APS history below.)Arthur mentioned that. People might explore that, and check out the bios of those who attended the workshop, several of whom are quite famous for uncertainty.I’m an APS (and APS GPC ) member, and I certainly have not yet seen a statement put up for review
Eli Rabett Eli Rabett Eli Rabett is a not quite failed professorial techno-bunny, a chair election from retirement, at a wanna be research university that has a lot to be proud of but has swallowed the Kool-Aid.
ClOO + M –> Cl + O 2 +M and two of the Cl atoms react with two ozone molecules Cl + O 3 –> ClO + O2 To understand how blog science works just read some of the comments in that Nature news item Other groups have yet to confirm the new photolysis rate, but the conundrum is already causing much debate and uncertainty in the ozone research community.
Read More: Not that Eli Was Ever A Wynton Marsalas Fan