4247机器学习简单数值题short
Explained Variance Ratio 2
题目
PCA produces eigenvalues 12, 3, and 1. What is the smallest number of principal components needed to explain at least 90% of the variance?
解题计时
0:00
提交作答时记录，用于后续平均用时统计。
你的答案
题目
PCA produces eigenvalues 12, 3, and 1. What is the smallest number of principal components needed to explain at least 90% of the variance?
解题计时
0:00
提交作答时记录，用于后续平均用时统计。
你的答案