Difference between revisions of "Cluster.R"
From Organic Design wiki
m (another version) |
(Adding missing arg) |
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| − | clusterPlot <- function(x, dmethod = "euclidian", hmethod = "complete", ...) { | + | clusterPlot <- function(x, dmethod = "euclidian", hmethod="complete", ...) { |
| − | oldpar <- par(mfrow=c(2,1)) | + | oldpar <- par(mfrow=c(2,1)) |
| − | xDist | + | xDist <- dist(x, method=dmethod) |
| − | xClust <- hclust(xDist, method = hmethod) | + | |
| + | # 1) Tree dendrogram | ||
| + | xClust <- hclust(xDist, method=hmethod) | ||
plclust(xClust, sub="") | plclust(xClust, sub="") | ||
| − | image | + | # 2) Image plot... |
| − | + | image(x = 1:nrow(x), y = 1:ncol(x), z = x[xClust$order, ], col=heat.colors(nrow(x)), ...) | |
par(oldpar) | par(oldpar) | ||
invisible() | invisible() | ||
} | } | ||
| − | |||
| − | |||
# Test | # Test | ||
Revision as of 03:25, 16 November 2006
clusterPlot <- function(x, dmethod = "euclidian", hmethod="complete", ...) {
oldpar <- par(mfrow=c(2,1)) xDist <- dist(x, method=dmethod)
- 1) Tree dendrogram
xClust <- hclust(xDist, method=hmethod) plclust(xClust, sub="")
- 2) Image plot...
image(x = 1:nrow(x), y = 1:ncol(x), z = x[xClust$order, ], col=heat.colors(nrow(x)), ...) par(oldpar) invisible()
}
- Test
x <- matrix(rnorm(40), nc=4) colnames(x) <- LETTERS[1:4] rownames(x) <- letters[1:10] clusterPlot(x)
