Video-on-Demand Library

10 April 2024

Sample size and power calculations are an important task for statisticians at the planning stage of a trial. Steve Mallet presents powerful visualisations to explain the impact of change in assumptions to a "non-technical" audience. Visualisations are available on the Wonderful Wednesday blog.

A small shiny app is helping to explain the concept of type I and type II errors. Depending on the actual question Statulator plots, trellis plots or even 3D plots can be used to support the argumentation. This concept casn also be used for Bayesian methods. The next challenge is on study flow charts. See the Wonderful Wednesday homepage for more detail.

Wonderful Wednesdays are brought to you by the Visualisation SIG. The Wonderful Wednesday team includes: Bodo Kirsch, Alexander Schacht, Mark Baillie, Zachary Skrivanek, Lorenz Uhlmann, David Carr, Steve Mallett, Rhys Warham, Lovemore Gakava, Zara Sari, Paolo Eusebi, Martin Karpefors.

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