Updates for datavis

datavis/README.md

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+Visualization of data relationship Networks for DataBridge
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+This network shows the data-to-data relationship in Harris surveys extracted from Odum Institute Dataverse Network at UNC-Chapel Hill. A categorical data similarity measurement algorithm was used to extract a similarity adjancey matrix that was then used to create this data-to-data relationship graph. Each node represents a Harris survey data record; each edge links the pair of nodes based on their similarity measurement --- the darker the edge, the more similar the linked nodes.
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+Select network data
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+in URL
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+websiteURL?data=DbFNNetwork-v2
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+or in the drop down selection form
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+
+Select Representative Nodes in each cluster
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+the first node; the max value node; the connection max node(threshold = 0.5)
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+Filter connectivity by similarity value between nodes
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+Left Click the node to show the subclusters
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+Right Click the node to find the resources or go back to the former level of clustering