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- W4285777745 abstract "A subgraph isomorphic decision tree algorithm was developed for estimating chemical reaction rates. The algorithm essentially associates differences in rate estimation with differences in sub-structures on the reactant or reactants, and the tree splits reactions into groups with similar rates by identifying the substructural differences that affect rate estimation the most. The algorithm was trained on rates from the Reaction Mechanism Generator (RMG) database and compared with a much more traditional rate rule estimator based on the same data. Compared to the previous RMG rate rules, the prediction accuracy of the new algorithm, measured by median absolute error (MAE) factor, root mean squared error (RMSE) factor, and 2-sigma error factor, is consistently improved by a factor of two. Uncertainty estimation was also developed for the decision trees based on fitting a lognormal distribution to the leave-one-out errors at each node. Improvements in accuracy introduced by the algorithm should significantly reduce the amount of effort required to refine models and the need for additional quantum calculations and thus reduce the amount of time and cost required to create and refine biofuel models." @default.
- W4285777745 created "2022-07-19" @default.
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- W4285777745 date "2019-11-10" @default.
- W4285777745 modified "2023-09-26" @default.
- W4285777745 title "A Decision Tree Based Machine Learning Algorithm for Rate Estimation" @default.
- W4285777745 doi "https://doi.org/10.2172/1763640" @default.
- W4285777745 hasPublicationYear "2019" @default.
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