when performing pca, how is pca used? can we combine pca with fdr can pca be combined with fdr which of the following methods is most likely to be used to assess the positive falsity rate? what is the main disadvantage of principal components which technique can be applied instead of a dependent test predicting false discovery rate using principal component analysis why is pca important for fdr analysis why perform pca before calculating fdr what is principal components testing which of the following is the upside to performing principal component analysis? can you combine principal components and fdr why use pca and fdr can we combine pca with fdr analysis how does pca compare to fdr what should we do before fdr which statement about pca is correct? why do we use fdr and pca can pca be used to determine fdr if testing is dependent what should you do?