What is the plot on the bottom right of the heatmaps in JMP

2015-01-13

What is the plot on the bottom right of the heatmaps in JMP?

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JMP two way clustering display
-http://www.jmp.com/support/help/Hierarchical_Clustering.shtml#148611
--"The scree plot beneath the dendrogram has a point for each cluster join. The ordinate is the distance that was bridged to join the clusters at each step. Often there is a natural break where the distance jumps up suddenly. These breaks suggest natural cutting points to determine the number of clusters."
---ordinate: vertical axis (y-axis) (as opposed to the abscissa)
---A scree plot is a graphical display of the variance of each component in the dataset which is used to determine how many components should be retained in order to explain a high percentage of the variation in the data.
----http://www.stats.gla.ac.uk/glossary/?q=node/451
JMP two way clustering

sentences I had in my dissertation about a scree plot, but then removed
"At the bottom right of the heatmaps there is a scree plot beneath the dendrogram for the hierarchical clusters of the samples.  The scree plot has a point for each cluster join.  Often there is a point where the distance between the points jumps suddenly, and this break is used to suggest a level of the hierarchical clustering that is most appropriate to cluster the samples by."

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