How To: Use the psych package for Factor Analysis and data reduction
نویسنده
چکیده
4 Basic data analysis 7 4.1 Getting the data by using read.file . . . . . . . . . . . . . . . . . . . . . . . 7 4.2 Data input from the clipboard . . . . . . . . . . . . . . . . . . . . . . . . . 8 4.3 Basic descriptive statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 4.4 Simple descriptive graphics . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 4.4.1 Scatter Plot Matrices . . . . . . . . . . . . . . . . . . . . . . . . . . 10 4.4.2 Correlational structure . . . . . . . . . . . . . . . . . . . . . . . . . . 10 4.4.3 Heatmap displays of correlational structure . . . . . . . . . . . . . . 12 4.5 Polychoric, tetrachoric, polyserial, and biserial correlations . . . . . . . . . . 15
منابع مشابه
How to do a factor analysis with the psych package
3 Item and scale analysis 5 3.1 Dimension reduction through factor analysis and cluster analysis . . . . . . 5 3.1.1 Minimum Residual Factor Analysis . . . . . . . . . . . . . . . . . . . 7 3.1.2 Principal Axis Factor Analysis . . . . . . . . . . . . . . . . . . . . . 8 3.1.3 Weighted Least Squares Factor Analysis . . . . . . . . . . . . . . . . 8 3.1.4 Principal Components analysis (PCA) . . ....
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