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1 - Probabilistic Modeling and Inference

from Part I - Concepts from Modeling, Inference, and Computing

Published online by Cambridge University Press:  17 August 2023

Steve Pressé
Affiliation:
Arizona State University
Ioannis Sgouralis
Affiliation:
University of Tennessee, Knoxville
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Summary

In this chapter we provide an overview of data modeling and describe the formulation of probabilistic models. We introduce random variables, their probability distributions, associated probability densities, examples of common densities, and the fundamental theorem of simulation to draw samples from discrete or continuous probability distributions. We then present the mathematical machinery required in describing and handling probabilistic models, including models with complex variable dependencies. In doing so, we introduce the concepts of joint, conditional, and marginal probability distributions, marginalization, and ancestral sampling.

Type
Chapter
Information
Data Modeling for the Sciences
Applications, Basics, Computations
, pp. 3 - 39
Publisher: Cambridge University Press
Print publication year: 2023

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