Page History

...

Element usage for NASA collections and Other collections can is shown below using bubble charts.  The bubble chart interpretation graphic provides a schematic for reading collection comparison interpreting the bubble plots. 

Bubble Chart Interpretation

...

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.  The large red bubble in the lower left corner of the plot shows elements that exist is 1 NASA collection and in all 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. 

...

NASA Complete vs OTHER Complete

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.

Chart 2: NASA Complete vs Other Complete

...