Added nPartitions input to test partitioning for pca
Added nPartitions input to test partitioning for pca

oliverhuangchao/thunder,thunder-project/thunder,pearsonlab/thunder,oliverhuangchao/thunder,kcompher/thunder,mikarubi/thunder,kunallillaney/thunder,j-friedrich/thunder,kunallillaney/thunder,poolio/thunder,zhwa/thunder,poolio/thunder,kcompher/thunder,jwittenbach/thunder,zhwa/thunder,broxtronix/thunder,broxtronix/thunder,pearsonlab/thunder,mikarubi/thunder,j-friedrich/thunder