can you use a log transform for a pca which data does a pca use can data be used as pca do we need to use log transforms before pca can i use pca on log transformed data can i pca a log transform can you pca on log transformed data what type of data is used for pca? can a pca be used as an analysis what software is used to perform pca can I run a pca on log transformed data which of these can you use log transform to do pca does pca have to be log transformed what data can be used for pca can i use log transform for pca what software is used to do pca can you use log transform on species and species data can you run an pca can you log transform a data in pca can i do a pca on log transformed data