The Nate Silver vs. Paul Krugman slap fight is getting ridiculous

In this corner: A Nobel Prize-winning economist and New York Times columnist. In the other corner: A statistics whiz and founder of the data journalism site, FiveThirtyEight.

If that matchup sounds like the driest, most staid battle imaginable, well, it kind of is. And it's one that's been playing out ever since Nate Silver left the Times for his own venture. To condense the tiff: Silver said many columnists were "worthless" and predictable; Paul Krugman suggested FiveThirtyEight erred in vaunting numbers as infallible, accusing the site of "sloppy and casual opining." In the latest, weirdest salvo, Silver wrote a tongue-in-cheek analysis categorizing Krugman's references to FiveThirtyEight as either favorable or unfavorable, purportedly to show that Krugman has mysteriously turned on him and his work. There's even a chart.

The headline — "For Columnist, a Change of Tone" — is a nice joke on the Times' stylistic inclinations. But in racing to needle his former colleague with snark and numbers, Silver is exemplifying the exact criticism Krugman and others have made, that the site is cherry-picking data to reach preconceived, sometimes flawed conclusions. (As others have pointed out, Silver's latest broadside misses some key variables.) Worse though, the spat, which started as a couple of mild media critiques, has now completely devolved into a petty, personal slap fight between two very smart people. At this rate, the next round in the imbroglio may well be a Krugman article titled, "I know you are but what am I?" followed by a Silver analysis of metaphorical rubber and glue.

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For such respected analysts and writers, is this really the best work they could be doing?