can you group batches using pca which factor analysis is used to group all chemicals can the dendogram be used to group batches? what statistical analysis to use pca is a statistical tool how do you statistically group batches can you do pca and cluster analysis how do you group batches do you do a pca in a batch analysis can you group batches in cluster analysis can you group batches by principal components what is the function of the factor analysis and principal components analysis? how many batch groups can you group similar chemical batches can you statistically group pca data can you statistic group a batch what analysis to use when grouped with a dendogram statistically group chemical batches can you group chemical batches together in cluster analysis can an pca group different batches