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| 정확도× | 평균 절대 오차 (MAE)× | |
|---|---|---|
| 분야 | 모델 평가 | 모델 평가 |
| 계열 | MCDM | MCDM |
| 기원 연도≠ | 20th century | 1799 |
| 창시자≠ | Historical statistical foundations | Pierre-Simon Laplace |
| 유형≠ | Evaluation metric | Robust distance-based metric |
| 원전≠ | Fawcett, T. (2006). An introduction to ROC analysis. Pattern Recognition Letters, 27(8), 861-874. DOI ↗ | Laplace, P. S. (1799). Traité de Mécanique Céleste. Paris: J.B.M. Duprat. link ↗ |
| 별칭≠ | Overall Accuracy, Correct Classification Rate | MAE, L1 error, mean absolute deviation |
| 관련≠ | 5 | 3 |
| 요약≠ | Accuracy is the proportion of correct predictions among the total number of predictions made by a classification model. It is the most intuitive performance metric and measures how often the classifier makes correct predictions overall, regardless of class. | Mean Absolute Error is a robust metric that measures the average absolute magnitude of prediction errors in regression models. Dating back to Pierre-Simon Laplace's work on observational errors (1799), MAE quantifies typical prediction deviation by averaging the absolute differences between observed and predicted values. |
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