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Keywords = double weighted naive Bayes

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14 pages, 1749 KiB  
Article
Towards Fire Prediction Accuracy Enhancements by Leveraging an Improved Naïve Bayes Algorithm
by Liang Shu, Haigen Zhang, Yingmin You, Yonghao Cui and Wei Chen
Symmetry 2021, 13(4), 530; https://doi.org/10.3390/sym13040530 - 24 Mar 2021
Cited by 10 | Viewed by 2340
Abstract
To improve fire prediction accuracy over existing methods, a double weighted naive Bayes with compensation coefficient (DWCNB) method is proposed for fire prediction purposes. The fire characteristic attributes and attribute values are all weighted to weaken the assumption that the naive Bayes attributes [...] Read more.
To improve fire prediction accuracy over existing methods, a double weighted naive Bayes with compensation coefficient (DWCNB) method is proposed for fire prediction purposes. The fire characteristic attributes and attribute values are all weighted to weaken the assumption that the naive Bayes attributes are independent and equally important. A compensation coefficient was used to compensate for the prior probability, and a five-level orthogonal testing method was employed to properly design the coefficient. The proposed model was trained with data collected from the National Institute of Standards and Technology (NIST) fire database. Simulation comparisons show that the average prediction accuracy of the proposed method is 98.13%, which is 5.08% and 2.52% higher than the methods of naive Bayes (NB) and double weighted naive Bayes (DWNB), respectively. The experimental results show that the average accuracies of the DWCNB method for test fire and interference sources were 97.76% and 98.24%. Prediction accuracies were 5.06% and 3.74% higher than those of the NB and DWNB methods. Full article
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