# Principal Component Analysis

The SPSS file contains the subscale scores for the Weschler Intelligence Scale for Children. The first two columns are subject code and age. The rest include scores on different areas of the exam.

Run exploratory factor analysis (principal components, no rotation) on the data. How many meaningful factors will you retain? Interpret them and give them names.

Run exploratory factor analysis (principal components, WITH Varimax rotation) on the data. How many meaningful factors will you retain? Interpret them and give them names.

Run exploratory factor analysis (principal components, WITH Promax rotation) on the data. How many meaningful factors will you retain? What is the correlation between the factors? Interpret them and give them names.

https://brainmass.com/statistics/descriptive-statistics/principal-component-analysis-635566

#### Solution Summary

3 questions on Principal Component Analysis (PCA) analysis are answered.