지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2021.3
- 수록면
- 427 - 437 (11page)
- DOI
- 10.7465/jkdi.2021.32.2.427
이용수
초록· 키워드
오류제보하기
There is a well known 2 by 2 confusion matrix which is widely used in biostatistics or credit assessment. Using these, not only the true positive rate (TPR) and true negative rate (TNR) but also the positive predictive value (PPV) and negative predictive value (NPV) statistics are obtained. In this study, we propose the confusion plot which is a graphical method can geometrically describe various statistics defined from the confusion matrix. The confusion plot consists of six right-angled triangles using equations expressed as the sum of rows and columns of the confusion matrix. In particular, it is found that TPR, TNR, PPV and NPV can be described as acute angles of right-angled triangles in the confusion plot. This confusion plot can evaluate the classification model and its performance similarly to the well known ROC curve. Therefore, the confusion plot could be useful in evaluating the classification models similar to the ROC curve.
목차
Abstract
1. Introduction
2. TPR - TNR plot and PPV - NPV plot
3. Confusion plot
4. Illustrative examples
5. Confusion matrices obtained from various normal distributions
6. Empirical data example
7. Conclusions
References
참고문헌 (35)
참고문헌 신청
Altman, D. G. / 1994 / Diagnostic tests. 1: Sensitivity and speciffcity / BMJ: British Medical Journal 308:1552
Bamber, D. / 1975 / The area above the ordinal dominance graph and the area below the receiver operating characteristic graph / Journal of Mathematical Psychology 12:387~415
Centor, R. M. / 1991 / Signal detectability : The use of ROC curves and their analyses / Medical Decision making 11:102~106
조민호 / 2015 / Two optimal threshold criteria for ROC analysis / 한국데이터정보과학회지 26(1):255~260
Egan, J. P. / 1975 / Signal detection theory and ROC-analysis / Academic Press
Bamber, D. / 1975 / The area above the ordinal dominance graph and the area below the receiver operating characteristic graph / Journal of Mathematical Psychology 12:387~415
Centor, R. M. / 1991 / Signal detectability : The use of ROC curves and their analyses / Medical Decision making 11:102~106
조민호 / 2015 / Two optimal threshold criteria for ROC analysis / 한국데이터정보과학회지 26(1):255~260
Egan, J. P. / 1975 / Signal detection theory and ROC-analysis / Academic Press
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