search for: cutreedynam

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2013 Feb 26
1
cutreeDynamic error
...cified Place and Color columns as characters (since they are categorical variables) > dd.daisy<-daisy(myddtable, metric = "gower", stand = FALSE, type = list(character=c("Place","Color"))) Then I clustered using DIANA dd.diana<-diana(dd.daisy) I am trying to cutreeDynamic {dynamicTreeCut} as follows cutreeDynamic(dd.diana, cutHeight = 2, minClusterSize = 1, method = "hybrid",+ distM = dd.daisy,+ deepSplit = (ifelse(method=="hybrid", 1, FALSE)),+ maxCoreScatter = NULL, minGap = NULL,+ maxAbsCoreScatter = NULL, minAbsGap = NULL,+ maxDistToLabel...
2013 Feb 25
0
Argument dendro must have class hclust - cutreeDynamic error
...cified Place and Color columns as characters (since they are categorical variables) > dd.daisy<-daisy(myddtable, metric = "gower", stand = FALSE, type = list(character=c("Place","Color"))) Then I clustered using DIANA dd.diana<-diana(dd.daisy) I am trying to cutreeDynamic {dynamicTreeCut} as follows cutreeDynamic(dd.diana, cutHeight = 2, minClusterSize = 1, method = "hybrid",+ distM = dd.daisy,+ deepSplit = (ifelse(method=="hybrid", 1, FALSE)),+ maxCoreScatter = NULL, minGap = NULL,+ maxA...
2010 Aug 06
1
Grouping clusters from dendrograms
...be producing odd results whereby it is grouping data that overlap branches. However, I'm not sure if this is because of the script I am using to visualise the data which may be incorrect. The script I tried was: > dendro<-hclust(as.dist(combo2),method="average") > cut2<-cutreeDynamicTree(dendro,maxTreeHeight=1,deepSplit=TRUE,minModuleSize=1) I then used the following to visualise the data: > cut2colour<-labels2colors(cut2) > plotDendroAndColors(dendro,cut2colour,"Dynamic Tree Cut", > dendroLabels=FALSE,hang=0.03,addGuide=TRUE,guideHang=0.05) Any advic...
2012 May 24
4
Manually modifying an hclust dendrogram to remove singletons
Dear R-Help, I have a clustering problem with hclust that I hope someone can help me with. Consider the classic hclust example: hc <- hclust(dist(USArrests), "ave") plot(hc) I would like to cut the tree up in such a way so as to avoid small clusters, so that we get a minimum number of items in each cluster, and therefore avoid singletons. e.g. in this example, you can see
2011 Jun 23
1
Help using cutreeHybrid
I am using the function cutreeHybrid from the package dynamic Tree Cut and I need a list of the resulting clusters but I do not know how to get it. [[alternative HTML version deleted]]
2012 Mar 15
1
Get Details About Clusters
Hi everybody! Anybody knows how can I get detalied information about clusters after using hclust? The issue is that if I have some items in different clusters, I would like to get the cluster where each item is placed. Taking into account that my data set is too large, it is not useful to have the dendogram or a graphic, and really I need something like a simple table with item label and cluster