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- W2892718997 abstract "In this paper, we present a non-deterministic strategy for searching for optimal number of trees hyperparameter in Random Forest (RF). Hyperparameter tuning in Machine Learning (ML) algorithms is essential. It optimizes predictability of an ML algorithm and/or improves computer resources utilization. However, hyperparameter tuning is a complex optimization task and time consuming. We set up experiments with the goal of maximizing predictability, minimizing number of trees and minimizing time of execution. Compared to the deterministic search algorithm, the non-deterministic search algorithm recorded an average percentage accuracy of approximately 98 %, number of trees percentage average improvement of 44.64 %, average time of execution mean improvement ratio of 175.62 and an average improvement of 94 % iterations. Moreover, evaluations using Jackknife Estimation show stable and reliable results from several experiment runs of the non-deterministic strategy. The non-deterministic approach in searching hyperparameter shows a significant accuracy and better computer resources (i.e cpu and memory time) utilization. This approach can be adopted widely in hyperparameter tuning, and in conserving utilization of computer resources like green computing." @default.
- W2892718997 created "2018-10-05" @default.
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- W2892718997 date "2018-09-26" @default.
- W2892718997 modified "2023-10-17" @default.
- W2892718997 title "A Non-Deterministic Strategy for Searching Optimal Number of Trees Hyperparameter in Random Forest" @default.
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- W2892718997 doi "https://doi.org/10.15439/2018f202" @default.
- W2892718997 hasPublicationYear "2018" @default.
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