Transcription of Factor Analysis - Harvard University
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Factor Analysis Qian-Li Xue Biostatistics Program Harvard Catalyst | The Harvard Clinical & Translational Science Center Short course, October 27, 2016. 1. Well-used latent variable models Latent Observed variable scale variable scale Continuous Discrete Continuous Factor Discrete FA. Analysis IRT (item response). LISREL. Discrete Latent profile Latent class Growth mixture Analysis , regression General software: MPlus, Latent Gold, WinBugs (Bayesian), NLMIXED (SAS). Objectives What is Factor Analysis ? What do we need Factor Analysis for? What are the modeling assumptions? How to specify, fit, and interpret Factor models? What is the difference between exploratory and confirmatory Factor Analysis ? What is and how to assess model identifiability? 3. What is Factor Analysis Factor Analysis is a theory driven statistical data reduction technique used to explain covariance among observed random variables in terms of fewer unobserved random variables named factors 4.
Well-used latent variable models Latent variable scale Observed variable scale Continuous Discrete Continuous Factor analysis LISREL Discrete FA IRT (item response) Discrete Latent profile Growth mixture Latent class analysis, regression General software: MPlus, Latent Gold, WinBugs (Bayesian), NLMIXED (SAS)
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