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Optimal and Provable Calibration in High-Dimensional Binary Classification: Angular Calibration and Platt Scaling
arXiv:2502.15131v4 Announce Type: replace-cross Abstract: We study the fundamental problem of calibrating a linear binary classifier of the form $\sigma(\hat{w}^\top x)$, where the feature vector $x$ is Gaussian, $\sigma$ is a link function, and $\hat{w}$ is an estimator of the true linear weight $w^\star$. By interpolating with a noninformative $\textit{chance classifier}$, we construct a well-calibrated predictor whose interpolation weight depends on the angle $\angle(\hat{w}, w_\star)$...
History Repeats in Cuba
Subscribe here: Apple Podcasts | Spotify | YouTube | Overcast | Pocket CastsSometimes when President Trump talks about Cuba, he throws in compliments. “They have a nice landscape. You know it’s a beautiful island,” he said during a signing event at the Oval Office in March. “I do believe I’ll be having the honor of taking Cuba. That’s a big honor.” Sometimes he toys with the idea of conquest a little more menacingly, such as when he said at the same event: “Whether I free it, take it—I think...
Big 12 preview: Despite the drama, Texas Tech stil...
Back when the NIL era was in its nascent stages, with a new Big 12 and a 12-team College Football Playoff on the way, I wondered if there was room for the emergence of a Clemson-style dynasty from a conference known primarily for the endless number of close games. If some team could craft a recruiting boost from both solid spending and sustained success, perhaps they could ride that to a series of conference titles and, perhaps, even playoff runs? I admittedly didn't have a specific team in...
Iran war: Even a peace deal won't fix energy crunch
Iran war: Even a peace deal won't fix energy crunch June 4, 2026As the Iran war approaches 100 days on Sunday, a comforting but flawed assumption has taken hold. Many policymakers, businesses and investors believe that a rapid reopening of the Strait of Hormuz will quickly bring down energy prices, once stranded oil and gas tankers can finally leave the Gulf. Yet top oil executives, shipping sector leaders and economists are predicting the opposite.
La Fanciulla del West review – insightful staging reveals the power of Puccini’s maverick masterpiece
Opera Holland Park's production of Puccini's *La Fanciulla del West* successfully tackles the challenging opera with an insightful staging. Martin Lloyd-Evans's production draws inspiration from Yukon mining town footage, lending a gritty realism to the California gold rush setting. The performance is praised for its authentic atmosphere and the strong characterisation of the ensemble cast.
How back is the U? Can Clemson rebound? Previewing...
Life in the ACC certainly isn't boring. In the past year alone, the conference has produced a long and awkward CFP rankings battle, an irate affiliate member, a thrilling national title game run, the strangest tiebreaker result imaginable, an out-of-nowhere 11-win season, the most disappointing team in the country, an epic pro-to-college face-plant, 18 of the 38 best games of the 2025 season, the No. 1 pick in the NFL draft (indirectly) and the most awkward possible move to nine-game...
The fish will die regardless: With some Western reservoirs set to run dry, officials lift fishing limits
Fish all you want — they’re doomed either way. That’s the bleak message wildlife officials have given at a handful of reservoirs across Colorado and Oregon. Both states face stark drought forecasts, with some reservoirs expected to run dry by summer’s end.