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SUBMIT YOUR IDEANifty trick!
My solution.
Reading Macro
I use the Alteryx version 2020.3.
The behavior of the shape files loaded in this challenge is a little strange at this version.
Now the solution Workflow doesn't work.
When I run the Workflow, the field name of the shape file is changed every time.
When the solution file was created, I think it was all loaded with "Field1".
And I think that the shape file have blank field name.
Used a macro to open each file, transpose the data inside, and filter "fid" and SpatialObjs. Converted the data to a number outside the macro before summing.
Here is my solution, used a batch macro, then summarized all results, great challenge!