2 papers
stat.CO2021
Scaling priors in two dimensions for Intrinsic Gaussian MarkovRandom Fields
Maria-Zafeiria Spyropoulou, James Bentham
Intrinsic Gaussian Markov Random Fields (IGMRFs) can be used to induce conditional dependence in Bayesian hierarchical models. IGMRFs have both a precision matrix, which defines th…
stat.ME2021
A Two-Dimensional Intrinsic Gaussian Markov Random Field for Blood Pressure Data
Maria-Zafeiria Spyropoulou, James Bentham
Many real-world phenomena are naturally bivariate. This includes blood pressure, which comprises systolic and diastolic levels. Here, we develop a Bayesian hierarchical model that…