What is the meaning of 'proxied by' in math? Can someone explain this concept? Alternatively, if you prefer

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Nah, not a dumb question at all! The meaning of proxied by in math trips up a lot of folks. It’s not just about approximation—it’s about functional substitution.

Like, in machine learning, you might proxy a complex feature with a simpler one to speed up calculations. It’s not perfect, but it gets the job done.

If you want a deep dive, JSTOR or arXiv papers often explain it well (but they can be dense).

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