which of the following is a principle-component analysis? how do you reduce a dimension in pca what is the principle of pca how is dimension reduction measured how to reduce the number of variables in pca how to use parametric dimension what is principal component analysis what is the purpose of pca analysis how to reduce pca how do you reduce the pca can pca reduce independent variable which principal components should be evaluated when performing a pca analysis? how to reduce pca independent variable how do i reduce dimension of an independent variable what is the importance of principal components what is principle component analysis how to perform pca what is pca dimensions how to perform dimension reduction can i perform dimension reduction analysis on 400 variables with a principal component