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Machine Learning Quick Reference

You're reading from  Machine Learning Quick Reference

Product type Book
Published in Jan 2019
Publisher Packt
ISBN-13 9781788830577
Pages 294 pages
Edition 1st Edition
Languages
Author (1):
Rahul Kumar Rahul Kumar
Profile icon Rahul Kumar
Toc

Table of Contents (18) Chapters close

Title Page
Copyright and Credits
About Packt
Contributors
Preface
1. Quantifying Learning Algorithms 2. Evaluating Kernel Learning 3. Performance in Ensemble Learning 4. Training Neural Networks 5. Time Series Analysis 6. Natural Language Processing 7. Temporal and Sequential Pattern Discovery 8. Probabilistic Graphical Models 9. Selected Topics in Deep Learning 10. Causal Inference 11. Advanced Methods 1. Other Books You May Enjoy Index

Bayes network


Bayes network is a type of probabilistic graphical model that can be used to build models to address business problems. Applications of this are quite wide. For example, it can be used in anomaly detection, predictive modeling, diagnostics, automated insights, and many other applications.

It is totally understandable that a few words used here would have been alien to you till now. For example, what do we mean by graphical here?

A graph forms out of a set of nodes and edges. Nodes are represented by N={N1,N2…..Nn}, where independent variables are sitting at every node. Edges are the connectors between nodes. Edges can be denoted by E={E1, E2…..En} and can be of two types:

  • Directed, represented by 
  • Undirected, represented by:

 

With the help of nodes and edges, a relationship between the variables is exhibited. It can be a conditional independence relationship or a conditional dependence relationship. BN is one a techniques that can introduce causality amongst variables. Although...

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