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This analysis compares element usage in the 18 NASA collection with the 8 non NASA (Other) collections.  This evaluation identifies elements which exist in collections as well as elements that are complete in collections.  In order for an element to exist in a collection it must be present in at least 1 metadata record included in the collection. In order for an element to be complete in a collection it must be present in all metadata records included in the collection. 

Element usage can be

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Bubble Chart Interpretation

NASA Exist vs OTHER Exist

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The large blue bubble in the upper right corner of the plot shows elements that exist is all 18 NASA collections and in all 8 Other collections.  This bubble includes 51 elements, as shown in the legend.  The data for Chart 1 is accessible in Google Sheets.  To view the data and bubble chart in Google Sheets click on the Chart 1 image. 

Chart 1: NASA EXIST vs Other Exists

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