How can I go from a CSV edge list (with repeated source and target nodes) to the GraphXR visualization?

When you “Load CSV” similar to the edge list attached here: Screen Shot 2020-07-31 at 12.34.13 PM
The sources and destinations will look like this:

Next, you can click “New” and pull up the mapping editor:

Then, create two nodes belonging to the same category
Map Source (as a key) to one node and rename it (i.e.“Letter”):

Map Destination (as a key) to the other node and rename it “Letter”

Then draw an edge between the two…

Click Save on the top left

Then click Apply.

Finally, you can go to the captions under Project=> Category to ensure the results are as expected:

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Here is a short GIF of all the above steps!