Optimally approximating exponential families

Optimum allocation in multivariate stratified random sampling: Stochastic matrix optimisation

Optional Pólya tree and Bayesian inference

Oracle approach and slope heuristic in context tree estimation

Oracle inequalities and minimax rates for non-local means and related adaptive kernel-based methods

Oracle Inequalities and Optimal Inference under Group Sparsity

Oracle Inequality for Instrumental Variable Regression

Orbit-Product Representation and Correction of Gaussian Belief Propagation

Order determination in general vector autoregressions

Order preserving property of moment estimators

Order restricted inference for comparing the cumulative incidence of a competing risk over several populations

Order selection for same-realization predictions in autoregressive processes

Order thresholding

Orthogonal main effect plans on blocks of small size

Outlier robust corner-preserving methods for reconstructing noisy images

Outliers and patterns of outliers in contingency tables with Algebraic Statistics

Outliers in dynamic factor models

P-values for classification

PAC-Bayesian aggregation and multi-armed bandits

Pac-bayesian bounds for sparse regression estimation with exponential weights