Probabilistic Graphical Models

PGM

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Probabilistic graphical models (PGMs) are a rich framework for encoding probability distributions over complex domains: joint (multivariate) distributions over large numbers of random variables that interact with each other.

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Probabilistic graphical models (PGMs) are a rich framework for encoding probability distributions over complex domains: joint (multivariate) distributions over large numbers of random variables that interact with each other.

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Table of Contents

Module No. & Name Subtopics Concepts
1. Introduction to Probabilistic Graphical Modelling Introduction to Probability Theory: Probability Theory
Basic Concepts in Probability
Random Variables and Joint Distribution
Independence and Conditional Independence
Continuous Spaces
Expectation and Variances Theory of Predicate Calculus
Mathematical Induction
Introduction to Graphs: Nodes and Edges
Subgraphs
Paths and Trails
Cycles and Loop
Introduction to Probabilistic Graph Models: Bayesian Network
Markov Model
Hidden Markov Model
2. Bayesian Network Model and Inference Directed Graph Models: Bayesian Network Exploiting Independence Properties
Naive Bayes Model
Bayesian Network Model
Reasoning Patterns
Basic Independencies in Bayesian Networks
Bayesian Network Semantics
Graphs and Distributions
Modelling: Picking variables
Picking Structure
Picking Probabilities
D-separation
Local Probabilistic Models: Tabular CPDs
Deterministic CPDs
Context Specific CPDs
Generalized Linear Models
Exact inference variable elimination: Analysis of Complexity
Variable Elimination
Conditioning
Inference with Structured CPDs
3. Markov Network Model and Inference Undirected Graph Models: Markov Model-Markov Network
Parameterization of Markov Network
Gibb's distribution
Reduced Markov Network
Markov Network Independences
From Distributions to Graphs
Fine Grained Parameterization
Over Parameterization
Exact inference variable elimination: Graph Theoretic Analysis for Variable Elimination
Conditioning
4. Hidden Markov Model and Inference Template Based Graph Model : HMM- Temporal Models
Template Variables and Template Factors
Directed Probabilistic Models
Undirected Representation
Structural Uncertainty
5. Learning and Taking Actions and Decisions Learning Graphical Models: Goals of Learning
Density Estimation
Specific Prediction Tasks
Knowledge Discovery
Learning as Optimization: Empirical Risk
Over fitting
Generalization
Evaluating Generalization Performance
Selecting a Learning Procedure
Goodness of fit
Learning Tasks
Parameter Estimation: Maximum Likelihood Estimation
MLE for Bayesian Networks
Causality: Conditioning and Intervention
Correlation and Causation
Causal Models
Structural Causal Identifiability
Mechanisms and Response Variables
Learning Causal Models
Utilities and Decisions: Maximizing Expected Utility
Utility Curves
Utility Elicitation
Structured Decision Problems: Decision Tree
6. Applications Application of Bayesian Networks: Classification
Forecasting
Decision Making
Application of Markov Models: Cost Effectiveness Analysis
Relational Markov Model and its Applications
Application in Portfolio Optimization
Application of HMM: Speech Recognition
Part of Speech Tagging
Bioinformatics