4249机器学习简单数值题short
Explained Variance Ratio 4
题目
A rank-1 PCA approximation keeps only score 4 on loading vector v=(1,2)/sqrt(5). What reconstructed centered point does it produce?
解题计时
0:00
提交作答时记录，用于后续平均用时统计。
题目
A rank-1 PCA approximation keeps only score 4 on loading vector v=(1,2)/sqrt(5). What reconstructed centered point does it produce?
解题计时
0:00
提交作答时记录，用于后续平均用时统计。