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A cluster in general is a group or bunch of several discrete items that are close to each other. The cluster diagram figures a cluster, such as a network diagram figures a network, a flow diagram a process or movement of objects, and a tree diagram an abstract tree. But all these diagrams can be considered interconnected: A network diagram can ...
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Example of the typical "elbow" pattern used for choosing the number of clusters even emerging on uniform data. Even on uniform random data (with no meaningful clusters) the curve follows approximately the ratio 1/k where k is the number of clusters parameter, causing users to see an "elbow" to mistakenly choose some "optimal" number of clusters.
For example, we might permit only concepts wherein at least one probability differs from 0.5 by more than . Under this constraint, with α = 0.3 {\displaystyle \alpha =0.3} , a concept such as [.6 .5 .7] could not be constructed by the learner; however a concept such as [.6 .5 .9] would be accessible because at least one probability differs ...
For a clustering example, suppose that five taxa (to ) have been clustered by UPGMA based on a matrix of genetic distances.The hierarchical clustering dendrogram would show a column of five nodes representing the initial data (here individual taxa), and the remaining nodes represent the clusters to which the data belong, with the arrows representing the distance (dissimilarity).
Use of the {} template within a chart that uses this template produces a font size 75% of the page default, well below the 85% minimum specified in the linked guidelines. Per Wikipedia:Village pump (technical)/Archive 159#Infobox font size, common text within an infobox is 88% of page default. Therefore use of this template in an infobox yields ...
The example also shows how the chart's overall style can be overridden by more specific styles set by {}. In this case, the color of the first row of cells is set to yellow using the features of the {{ Tree chart }} template; see that template's documentation for details on how to specify the CSS of rows and individual cells of a chart.
|square= Makes the chart/plot a square (default no) |width= The width of the chart |picture= The picture for the background of the chart, excluding File: or Image: (default Blank.png) |size= The size of the dots (default 8px) |bottom= Text tho show on the bottom of the template |top= The header to show on top of the graph