R_CS_10 Dimension Reduction in R Case-Study Title: Brand Perceptual Map (use PCA for data interpretation) Data Analysis methodology: CRISP-DM Dataset: 100 Customers answered 9 questions about 10 brands by likerd spectrum Case Goal: Knowing market atmosphere and Brand Positioning (know situation of 10 different Brands) Correlation table between continuous features Heat-Map of mean score of every brand in each feature Perceptual Map for all products Perceptual Map for brands