which is better pca or principal components analysis? quizlet how to compare a ratings what is the best single measurement that measures which student's performance? what is the best one number to measure which student is better? what is the best single number that measures which student is better how do you find out which student is better why is it difficult to compare pca scores from multiple sources how to compare scores between different colleges if a program is missing, why is pca used does pca work when there is missing information do pca scores work with missing data do you use principal components analysis on pca if you are a student on a fellowship committee what is the best single number that measures which student is better why does pca do not work? what is the best method of comparing student rating to college applicant rating does pca work when analyzing ratings what is the best measure for evaluating student ratings what is the best single measure that measures which student is better? what is the best way to compare ratings from multiple sources with missing data? what is the best single number that measures which student is better?