[OC] The first 9 Principle Components(aka "Eigenfaces") of a dataset of over 13,000 pictures of faces. Using just these 9 building blocks, you can re-create over 50% of the information in the entire dataset. So much of the variance we see is explained by angle of illumination.
from /r/dataisbeautiful
[OC]超過13,000張人臉圖片的數據集的前9個原則成分（又稱 "特徵面"）。僅僅使用這9個構件，你就可以在整個數據集中重新創建超過50%的信息。我們看到的很多差異都是由光照角度解釋的。