Viewing a single comment thread. View all comments

radarsat1 t1_iy4mskn wrote

Reply to comment by Tgs91 in [D] What method is state of the art dimensionality reduction by olmec-akeru

? if you remove dimensions after PCA, you cannot reconstruct the original data ... well, you get something very blurry in any case.

3

itsyourboiirow t1_iy5aa1i wrote

Correct. But you don't necessarily have to discard the extra dimensions to do PCA.

1

radarsat1 t1_iy5e7jo wrote

but the question is about dimensionality reduction

1