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The large blue bubble in the upper right corner of the plot shows the items (elements and attributes) that exist is all 18 NASA collections and in all 8 Other collections.  This bubble includes 51 elementsitems, as shown in the legend.  The large red bubble in the lower left corner of the plot shows elements items that exist is 1 NASA collection and in 0 Other collections.  This bubble show includes 44 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 image. 

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Chart 2 below compares element completeness in NASA Collections with Other collections.  The X axis shows the number of NASA collections that are complete with respect to an element. The Y axis shows number of Other collections that are complete with respect to an element  The bubble size shows the number of elements included in the 2 collections.

The large red bubble in the upper right corner of the plot shows items (elements and attributes) that are complete is all 18 NASA collections and in all 8 Other collections.  This bubble includes 27 elements, as shown in the legend.  The large blue bubble in the lower left corner of the plot shows the items that are complete in 1 NASA collection and in 0 Other collections.  This bubble includes 38 items, as shown in the legend. The data for Chart 2 is accessible in Google Sheets.  To view the data and bubble chart in Google Sheets click on the image.

Chart 2: NASA Complete vs Other Complete

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