noun
Technical term used in computing and statistics to indicate the proportion of errors in a process or dataset.
このシステムの誤り率は0.1%未満です。
The error rate of this system is less than 0.1%.
エラー率 is a synonym often used in the same technical contexts, but 誤り率 uses native Japanese words and may feel slightly more formal or written.
Compound of 誤り (error) and 率 (rate).