Table of Contents
Evaluasi performa yang baik untuk itu semua adalah model yang sangat cerdas dan efisien, mengerti bahwa efektifitas ini adalah sebuah produk yang tidak dapat diwujudkan.
Common Performance Metric
Delikeding ounthattipe. For clumfication problems, precesion, recall, and F1 score are expanti usty.
Kalkulations for Clasfication Metric
Konfusion paras form basis for many clacification metrics. They consist of true positives (TP), false positives (FP), true negatives (TN), and false neutives (FN). Accuracky ies lated ac a:
Asteroid 1; FLT: 0 = 0 = 33. Accuracy = (TP + TN) / (TP + FP + TN + FN) 1; FLT: 1 1f 3; JUGA; 123; 1f 3; 3;;;
Precision mexas the proportion of positive identifications tont were mengoreksi:
111; WHI1; FLT: 0 AF3; Precision = TP / (TP + FP) GLA1; FLT: 1: 123; 1f 3;
Recall mengindikasikan bahwa itu proportion of actualpositives benar-benar mengidentifikasi:
S01; S01; FLT: 0 AF3; Recall = TP / (TP + FN) GLA1; FLT: 1: 13; ASA3;
Kalkulations for Regression Metric
Regression metric evaluate the diference between predicted and actuaI values. Men Absolute Error (MAE) is kalkulated as as:
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Mean Squared Error (MSE) menekankan larger errors Meun:
FLT: 0 = MS3; MS3 = (1 / n) * y 1; FLT: 1: 1; ASA3; i ASA1; FLT: 2; 11; 2; 1; 1; 3 3; 3 3; 3 3; 3; 3 3; 3 3; 3; 3; 3; 3; 3; 3; 3; 3; 3; 3; 3; 3; 3; 3; 3; 3; 3; 3; 3; 3; 3; 3; 3; 3; 3; 3; 3; 3; 3; 3; 3; 3; 3; 3; 3; 3; 3; 3; 3; 3; 3; 3; 3; 3; 3; 3; 3; 3; 3; 3; 3; 3; 3; 3; 3; 3; 3; 3; 3; 3; 3; 3; 3; 3; 3; 3; 3; 3; 3; 3; 3; 3; 3; 3; 3; 3; 3; 3; 3. 3. 3. 3. 3. 3. 3; 3; 3; 3; 3; 3. 3. 3;
R-ssared mengindikasikan bahwa itu proportion of variance expliined by model:
FL1; FLT: 0 = 33; R = 11. FLT: 1: 1; 13.2; 11; FLT: 2: 2: 33; = 1 - (SS 1; FLT: 3; 3; 31T; 336T; 333232T; 33322T; 3332T; 333332RT; 333333232T; 32333RT; 33333333RT; 3RT; 3RT; 333333333RT; F1RT; F3RT;
Conclusion
Choosing the appalateate metrics depends on the specic problemm and goals. Proper vantilation and interpretation of these metrice vetal for deplisting effective machine learng model iun real- world scenarios.