Author

Mehrdad Pournaderi

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Preprint Sep 2026

Calibrated Order-Randomized Rosenblatt Tests

We test whether a multivariate vector X conforms to a specified distribution F, a problem in copula modelling and density forecasting. The Rosenblatt transform reduces it to a test of uniformity, but depends on an arbitrary coordinate ordering that strongly affects power under dependence. We study order randomization:...

Mehrdad Pournaderi · 0 citations

#machine learning Preprint Sep 2026

Sharp training-conditional coverage for conformal prediction under covariate shift

Weighted split conformal prediction reweights calibration scores by the likelihood ratio between the test and training covariate distributions and guarantees marginal coverage under covariate shift. We study its coverage conditional on the calibration data. An elementary argument, based on a single concentration inequa...

Mehrdad Pournaderi · 0 citations