can we correct pca results why two batches of testing are divided how do i tell if there are two batches of microarray testing how to correct an experiment when analyzing a pca the table shows the how many variables are involved in a microarray test? what is principle component analysis how to correct sample numbers when we look on principle component analysis we see a clear divide between the two experiment batches. how to correct sample results in microarray why two batches of data what is principle component analysis how many variables are in a microarray how to correct microarray results why is the principle component analysis (pca) performed? why do we do principle analysis which analysis is performed by pca? how to correct pca in a microarray what is principle component analysis used for? how to correct pca analysis