摘要:
z=zscore(active); M=cov(z) ;%协方差 [V,D]=eig(M); %求出协方差矩阵的特征向量、特征根 d=diag(D); %取出特征根矩阵列向量(提取出每一主成分的贡献率) eig1=sort(d,'descend') %将贡献率按从大到小元素排列 v=fliplr(V 阅读全文
摘要:
library(installr)copy.packages.between.libraries(from = "F:\\R\\R-3.3.2\\library" , to = "F:\\R\\R-3.5.0\\library" , ask =T, keep_old = TRUE , do_NOT_ 阅读全文