[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]超过13,000张人脸图片的数据集的前9个原则成分（又称 "特征面"）。仅仅使用这9个构件，你就可以在整个数据集中重新创建超过50%的信息。我们看到的很多差异都是由光照角度解释的。