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Geofluids
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2023
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Article
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Tab 3
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Research Article
Research on the Rate of Penetration Prediction Method Based on Stacking Ensemble Learning
Table 3
Confusion matrix of support vector machine algorithm for predicting ROP grade.
Confusion matrix (SVM)
True value
1
2
3
Predictive value
1
21
3
2
2
1
3
1
3
1
2
4