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Cluster analysis in R: determine the optimal number of clusters

...inity propagation (AP) clustering, see http://dx.doi.org/10.1126/science.1136800 library(apcluster) d.apclus <- apcluster(negDistMat(r=2), d) cat("affinity propogation optimal number of clusters:", length(d.apclus@clusters), "\n") # 4 heatmap(d.apclus) plot(d.apclus, d) Six. Gap Statistic f...
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How do I delete an exported environment variable?

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What is Vim recording and how can it be disabled?

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Java: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification

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Get last dirname/filename in a file path argument in Bash

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Merging 2 branches together in GIT

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How can I order a List?

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How do I run all Python unit tests in a directory?

... 493 With Python 2.7 and higher you don't have to write new code or use third-party tools to do this;...
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What is the use of the %n format specifier in C?

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Convert dmesg timestamp to custom date format

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