can you do pca on out of sample data what is the use of pca? is pca used on out-of-sample data what is a pca how to embed a pca projection can pca learn projection matrix can pca be applied to out of sample data is pca useful for out of sample data how reliable is pca can i do pca projection on an entire point pca on out-of-sample data can pca be used for the embedding can pca be applied to a point can pca be applied to out of sample data how to pca out of sample how to do pca on out of sample points can pca get embedded out of sample data? why do we need to do pca on data points can we pca a pseudo data set can you do pca on out of sample data