多變量分析 [R]：學習筆記: 資源連結

Applied Multivariate Statistical Analysis with R

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K-Means Clustering

### K-Means Clustering ## 標準化資料 standardize variables: scale() x <- matrix(1:10, ncol=2) # column centering and then scaling cov(centere...
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### MANOVA Assumptions: Multivariate Normality ### (Shapiro-Wilk test) library('mvnormtest') mshapiro.test(X) ## Example on producin...
Clustering: Hierarchical Clustering

### Hierarchical Clustering hc <- hclust(dist(USArrests), method="average", members=NULL) # Cluster linkage methods: # "w...
[R] 套件安裝 Install packages

在使用R的時候，我們很多時候會需要使用到其他開發者所提供的"套件"，善用這些套件不僅可以增加操作的方便性，套件的安裝以安裝"MVA"套件當例子，使用 install.packages() install.packages(...
Assinment#5

## 1. textbook 12.8 library('lavaan') lower <- " 0, 9, 0, 3, 7, 0, 6, 5, 9, 0, 11, 10, 2, 8, 0," D = as.dist(getCov(lo...
R-square for hierarchical clustering

R.square <- function(x, method="average", k){ ### R-square for hierarchical clustering given number of cutting groups ### x...
Distance Matrix Computation

pp ### Distance Matrix Computation dist(x, method = "euclidean", diag = FALSE, upper = FALSE) # method: the distance measure to be...
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