when to scale pca data can you scale out training data what to scale pca data with pca scale when scaling a model what values do i use what data to use when scaling data which values should be used when scaling an existing sample of pca data? what value to use for scaling out of sample pca data which value do i use for scaling out what data to use for training which values should be used for scaling out of sample pca data which value to use for scaling out of sample pca data which is the correct approach to scalar data? what is the scale value for prout can i use prout to scale a model how do you scale a new pca model can you scale pca data what is the correct method of scaling what is the right value to use when scaling out pca training data? which values to use when scaling out of data