what is pca analysis can you compare a linear regression to a graph with a pca what is pca data is pca used for biological data what is pca data what is pca what is pca which data type is used for pca analysis what is the difference between pca and pca when to use pca in statistics can a linear model be used to plot discrete data which of the following methods is inappropriate for data analysis what is pca why pca is inappropriate what is pca analysis why do they use pca? which type of data is used to represent individual traits in a plot? what is the statistical use of pca? what data type is pca why is pca used in biological studies