More carriages have come off the rails in the Roger Pielke Jr train wreck. Pielke finally does a hypothesis test. Trouble is, it's an unpaired t-test, which would only make sense if GISS and HADCRU were independent of each other, i.e. temperature measurements of different planets. Which, uh, they're not.
James Annan explains it here.
And another Pielke carriage comes off the rails here.
More like this
If you haven't been watching the Roger Pielke Jr train come off the rails and the carriages smashing into each other and exploding, I suggest you look at this post from James Annan:
Roger Pielke has been saying some truly bizarre and nonsensical things recently. The pick of the bunch IMO is this…
Roger Pielke Jr has stopped blogging. James Annan comments:
It had appeared for some time that RPJr's his blog was on the wane, attracting little more than a handful of denialist ditto-heads, and now he's decided to knock it on the head. Personally, I found much of Roger's blogging to be…
Because of the corrections to the GISS data 1998 and 1934 went from being in a virtual tie, to being in a virtual tie.. This, of course, has not stopped global warming denialists from endlessly hyping it as a big change.
For example, Glenn Reynolds:
Ace wonders why nobody's talking about the NASA…
Steve McIntyre found an error in the GISS temperature data for the US. The GISTEMP page says:
USHCN station records up to 1999 were replaced by a version of USHCN data with further corrections after an adjustment computed by comparing the common 1990-1999 period of the two data sets. (We wish to…
Via the Washington Times, we get more Pielke genius.
Roger Pielke Jr: "Climate models are of no practical use beyond providing some intellectual authority in the promotional battle over global-warming policy."
Right, Roger. The real science gets done by writing bombast on a blog in the hopes that some journalist might call you up for a quote.
So, apparently, taking James Annan's advice, Pielke actually talked to someone with a statistics background (an undergraduate), but unfortunately (for himself) did not give that person all the pertinent information.
I'd bet that person is now thanking their lucky stars that Pielke only gave their first name ("Megan"). It would be a real shame if someone else's career was also sent careening off the tracks.