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Introduction to Principal Components Analysis

Francis, Paul; Wills, Beverly J.


Understanding the inverse equivalent width - luminosity relationship (Baldwin Effect), the topic of this meeting, requires extracting information on continuum and emission line parameters from samples of AGN. We wish to discover whether, and how, different subsets of measured parameters may correlate with each other. This general problem is the domain of Principal Components Analysis (PCA). We discuss the purpose, principles, and the interpretation of PCA, using some examples from QSO...[Show more]

CollectionsANU Research Publications
Date published: 1999
Type: Conference paper
Source: ASP Conference Series


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