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Workshop: Hands-On Tutorial on e-Values, Safe Tests and Anytime-Valid Confidence Intervals for Efficient Statistical Inference

Recently developed safe tests based on e-values, and anytime-valid confidence intervals form a suite of statistical methods that simplify and optimise the design, conduct, and inferential process for both single-lab experiments and large-scale multi-lab (replication) studies. Safe tests combine the interpretability of Bayes factors (i.e. measuring evidence for and against a null hypothesis) with frequentist power and type I error guarantees. These guarantees are maintained even if the safe test is conducted after each observation and used to determine whether the experiment should be (prematurely) stopped or continued. Similarly, unlike 95% (Bayesian) credible intervals and 95% (frequentist) confidence intervals, a 95% anytime-valid confidence interval will, with at least 95% chance, cover the true effect size regardless of whether or how data collection is stopped. In this workshop we will provide an introduction to this novel framework of statistical inference, and show how it can be exploited to yield more generalisable conclusions with less data. We will alternate between short theoretical lectures and hands-on practical sessions that focus on designing and making inference for practical problems with R/RStudio.
Hands-on tutorial on e-values, safe tests and anytime-valid confidence intervals for efficient statistical inference
Prof. Peter Grünwald
Dr. Rianne de Heide
Dr. Udo Boehm
Dr. Rosanne J Turner
Alexander Ly