It’s kinda like a shortcut. If X is hard to get, you use Y instead, even if Y isn’t perfect.
The meaning of proxied by in math isn’t super strict—it’s more about practicality. Like, in economics, GDP might proxy for "standard of living," even though it’s not the same thing.
The meaning of proxied by in math isn’t super strict—it’s more about practicality. Like, in economics, GDP might proxy for "standard of living," even though it’s not the same thing.