can i use pca for lda function in r is proportional discrimination linear discriminant analysis can you use pca as an lda what is pca lda can you use lda for pca what is lda? what is lda and pca what is the difference between lda and pca what is pca and lda can you find proportion of variance lda what is pca and lda what is pca lda what is pca lda can you use lda as pca how does pca work in lda analysis what is the purpose of pca and lda in math can pca lda and lda be used together can you use pca in lda which lda function is used for proportions can i measure the proportion of variance with pca and lda