2.31 Factor Analysis (Pro)

Factor-Analysis

Summary

This Factor Analysis app will use a small number of latent variables to explain variability among many observed variables.

Tutorial

1. Import the sample file <Origin Program Folder>\Samples\Statistics\Protein Consumption in Europe.dat. Note: You can also right-click on the app icon to select Show Samples Folder, drag-and-drop the project file "FactorSample.opju" into Origin workspace to open it.
2. Select columns B~I, and then click the Factor Analysis icon in the Apps Gallery window to open the Apps: factor-analysis dialog.

   

3. Columns B-I will selected as Variables in Input tab, and choose column A as Observation Labels.

   

4. In Settings tab, choose Principal Components method, analyze Correlation Matrix, set 3 to Number of Factors.

   

5. In Rotation tab, choose Varimax method.

   

6. In Plots tab, choose 3D graph type, and select Biplot.

   

7. Click OK button, a report sheet, a report data sheet and a plot data sheet will be created.