Home›Lesson 3: PCA & Exploratory Factor Analysis
Lesson 3

Principal Component Analysis & EFA

Dimensionality Reduction, Eigenvalues, Factor Extraction, Rotation Methods
56Frames47Charts
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Sections

Section 1
Introduction and Motivation
Section 2
Principal Component Analysis
Section 3
Exploratory Factor Analysis
Section 4
Comparison and Decision Guide

Charts (47)

3d Scatter Eigenvectors3d Scatter Eigenvectors Biplot ComprehensiveBiplot Comprehensive Biplot StepbystepBiplot Stepbystep Communalities ChartCommunalities Chart Correlation Matrix 3x3Correlation Matrix 3x3 Correlation Scatter SimpleCorrelation Scatter Simple Covariance HeatmapCovariance Heatmap Cumulative VarianceCumulative Variance Dimensionality ProblemDimensionality Problem Efa Toy ExampleEfa Toy Example Eigenvalue ImportanceEigenvalue Importance Eigenvalue Visual Step1Eigenvalue Visual Step1 Eigenvalue Visual Step2Eigenvalue Visual Step2 Eigenvalue Visual Step3Eigenvalue Visual Step3 Eigenvector IntuitionEigenvector Intuition Factor Model DiagramFactor Model Diagram Hauptachsen VisualHauptachsen Visual Latent Factors SimpleLatent Factors Simple Loading HeatmapLoading Heatmap Loading Matrix HeatmapLoading Matrix Heatmap Parallel AnalysisParallel Analysis Pc Directions 2dPc Directions 2d Pc ProjectionPc Projection Pca 2d Example SimplePca 2d Example Simple Pca 3d PlanePca 3d Plane Pca Before AfterPca Before After Pca Camera AnalogyPca Camera Analogy Pca Toy ExamplePca Toy Example Pca Vs Efa AnalogyPca Vs Efa Analogy Rotation Basic ConceptRotation Basic Concept Rotation BeforeRotation Before Rotation ComparisonRotation Comparison Rotation PromaxRotation Promax Rotation VarimaxRotation Varimax Scree EfaScree Efa Scree Plot ElbowScree Plot Elbow Scree Plot KaiserScree Plot Kaiser Scree Plot Keywords AnalogyScree Plot Keywords Analogy Simple Structure Good BadSimple Structure Good Bad Spektral Data EllipseSpektral Data Ellipse Spektral Matrix AnnotatedSpektral Matrix Annotated Variance EllipseVariance Ellipse Variance Explained ConceptVariance Explained Concept Variance Visual SimpleVariance Visual Simple Varimax Promax VisualVarimax Promax Visual Varimax Simple AfterVarimax Simple After Varimax Simple BeforeVarimax Simple Before
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