# Ask about how to evaluate this measure #10
Description
I want to ask about "up to 1 error" measure. You compute it by counting number of expressions that have 1 error or by other anyway. You share about it, please. Thank you.
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I want to ask about "up to 1 error" measure. You compute it by counting number of expressions that have 1 error or by other anyway. You share about it, please. Thank you.