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How to find all classes that FormulaData is organized into?

POSTED BY: Peter Burbery
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Rohit Namjoshi
Rohit Namjoshi
Posted 3 years ago

That is quite convoluted. A simpler way to get the same result and ~10x faster.

AssociationMap[FormulaData[#, "Classes"] &][FormulaData[]] // Values //
    DeleteMissing // Flatten[#, 1] & // Union
POSTED BY: Rohit Namjoshi

That's much simpler and easier to read and understand.
POSTED BY: Peter Burbery
Rohit Namjoshi
Rohit Namjoshi
Posted 3 years ago

It is not clear what you mean by

how I can find both classes

For

"AbbeNumberHelium" -> {"Physics", {"Physics", "Optics"}}

Which of the following do you want?

"AbbeNumberHelium" -> {"Physics", "Optics"}
"AbbeNumberHelium" -> "Physics", "AbbeNumberHelium" -> "Optics"
"AbbeNumberHelium" -> "Physics", "AbbeNumberHelium" -> {"Physics", "Optics"}}
POSTED BY: Rohit Namjoshi

I would use Values on an association of the last line and then Union to delete duplicates and order them.
POSTED BY: Peter Burbery
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