can you use principal component analysis can pca be used as a substitute for colinear covariates can you use principal component analysis as a substitute for colinear covariates? when to use principal component analysis can principal component analysis be used to estimate the dependent variable what is principal component analysis? what is principal component analysis in regression can covariates be used as principal components can you use covariate image as principal component what is principal component as a substitute for the original variable what is principal component analysis used for pca is used to estimate can i use principal component analysis to calculate dependent variable? which principal components can be used as a covariate and a dependent variable can principal component be used instead of covariates what principal component for regression what is a principal component what is principal component analysis does the principal component of a linear regression model contain independent and colinear variables can i use principal components instead of linear regression