Anyway, as reporting and PowerBI and DAX are not something I know about,
I was wondering if someone had a suggestion for a language she could learn?

I'm not sure if this is addressed already, I'm just catching up with messages here, but I'd suggest Python (which comes with great data analysis and charts plotting libraries).

Additionally R for statistical processing.

-h1

... Xerox Alto was the thing. Anything after we use is just a mere copy.

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