Off hand:

• Not posting the code and sample data here rather than off site
• Not showing what you yourself have tried so far in resolving the problem
• Mistakenly presuming that someone here is going to do your work for you for free¹

Update: Fwee, the wall of text was inlined.

1. Unfortunately someone probably will, which will just prove that bad behavior gets results here fomenting more freeloading. But some people never learn.

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