IEEE Systems, Man and Cybernetics Magazine - October 2022 - 32

experimental outcome of the stacked technique of every
state. From the plots in Figures 2-10, it is observed that a
DT performs worst among the rest of the ML algorithms
considered. The overall results showed that the stacked
model performed better than the KNN, SVM, DT, and RF,
achieving the highest exactness, accuracy, review, and
f-measure. At the same time, the SVM performed best in
every state flood prediction.
Conclusion
The world's second-worst impacted country after Bangladesh
is India, accounting for one-fifth of all flood-related
deaths worldwide. The Indian rainy season lasts mostly
roc Plot
1
0.8
0.6
0.4
0.2
0.2
0.4
0.6
False-Positive Rate
Random Prediction (AUROC = 0.5)
KNN (AUROC = 0.979)
SVM (AUROC = 0.997)
DT (AUROC = 0.837)
RF (AUROC = 0.968)
Figure 5. An ROC plot of Madhya Maharashtra.
roc Plot
1
0.8
0.6
0.4
0.2
0.2
0.4
0.6
False-Positive Rate
Random Prediction (AUROC = 0.5)
KNN (AUROC = 0.93)
SVM (AUROC = 0.984)
DT (AUROC = 0.801)
RF (AUROC = 0.925)
Figure 6. An ROC plot of Kerala.
32 IEEE SYSTEMS, MAN, & CYBERNETICS MAGAZINE October 2022
0.8
1
1
0.8
0.6
0.4
0.2
0.2
0.4
0.6
False-Positive Rate
Random Prediction (AUROC = 0.5)
KNN (AUROC = 0.986)
SVM (AUROC = 0.995)
DT (AUROC = 0.788)
RF (AUROC = 0.962)
Figure 8. An ROC plot of Gujarat.
0.8
1
0.8
1
1
0.8
0.6
0.4
0.2
0.2
0.4
0.6
False-Positive Rate
Random Prediction (AUROC = 0.5)
KNN (AUROC = 0.963)
SVM (AUROC = 0.991)
DT (AUROC = 0.741)
RF (AUROC = 0.901)
Figure 7. An ROC plot of Coastal Karnataka.
roc Plot
0.8
1
from June to September, which contributes to roughly 75%
of the country's annual rainfall. From the AUROC plot of
different states, it is easily observed that the DT performed
worse than the other three ML algorithms used in
the research work. Using a stacking classifier model, the
problem of oversampling as well as low accuracy was
resolved, and also higher accuracy, f1-score, recall, and
precision are achieved compared to all the other MLsupervised
algorithms. It is hoped that this work will help
government and nongovernment associations make a preventive
move on the flood peculiarity that ordinarily happens
because of weighty precipitation in beachfront
places of India.
roc Plot
True-Positive Rate
True-Positive Rate
True-Positive Rate
True-Positive Rate

IEEE Systems, Man and Cybernetics Magazine - October 2022

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