Results 51 to 60 of about 6,745,293 (217)

Random forest swarm optimization-based for heart diseases diagnosis

open access: yesJournal of Biomedical Informatics, 2021
Heart disease has been one of the leading causes of death worldwide in recent years. Among diagnostic methods for heart disease, angiography is one of the most common methods, but it is costly and has side effects.
S. Asadi, Seyed Ehsan Roshan, M. Kattan
semanticscholar   +1 more source

The Impact of Simulated Spectral Noise on Random Forest and Oblique Random Forest Classification Performance

open access: yesJournal of Spectroscopy, 2018
Hyperspectral datasets contain spectral noise, the presence of which adversely affects the classifier performance to generalize accurately. Despite machine learning algorithms being regarded as robust classifiers that generalize well under unfavourable ...
Na’eem Hoosen Agjee   +3 more
doaj   +1 more source

Improving random forest predictions in small datasets from two-phase sampling designs

open access: yesBMC Medical Informatics and Decision Making, 2021
Background While random forests are one of the most successful machine learning methods, it is necessary to optimize their performance for use with datasets resulting from a two-phase sampling design with a small number of cases—a common situation in ...
Sunwoo Han, B. Williamson, Y. Fong
semanticscholar   +1 more source

A COMPARISON OF RANDOM FOREST AND DOUBLE RANDOM FOREST: DROPOUT RATES OF MADRASAH STUDENTS IN INDONESIA

open access: yesBarekeng
Random forest algorithm allows for building better CART models. However, the disadvantage of this method is often underfitting, especially for small node sizes. Therefore, the double random forest method was developed to overcome this problem.
Arie Purwanto   +2 more
doaj   +1 more source

Investigation of the possibility of landslide hazard mapping using the Random Forest algorithm (Case study: Sardarabad Watershed, Lorestan Province) [PDF]

open access: yesمخاطرات محیط طبیعی, 2018
With respect to the ability of data analysis techniques, their applications in various engineering and geosciences disciplines have been expanded. In this study, the random forest algorithm has been used for landslide susceptibility mapping in the ...
Ali Talebi   +2 more
doaj   +1 more source

Predicting Epithelial Ovarian Cancer first recurrence with Random Survival Forest: Comparison Parametric, Semi-Parametric, and Random Survival Forest Methods

open access: yesJournal of Biostatistics and Epidemiology, 2021
Objective: Rapid technological advances in the last century and the large amount of information have made it difficult to analyze a large number of independent variables.
Maryam Deldar   +2 more
doaj   +1 more source

Random Forest Algorithm Based on Data Integration [PDF]

open access: yesJisuanji gongcheng, 2020
The historical data used for sales forecasting has the characteristics of sparseness and volatility,the traditional statistical or machine learning prediction algorithms for prediction perform poorly when the prediction cycle is long.Therefore,based on ...
XIE Kun, RONG Yutian, HU Fengping, CHEN Huan, YAO Xiaolong
doaj   +1 more source

SMOTE and Weighted Random Forest for Classification of Areas Based on Health Problems in Java

open access: yesJournal of Applied Informatics and Computing
Random Forest (RF) is a popular Machine Learning (ML) approach extensively employed for addressing classification issues. Nevertheless, the RF method for classification problems demonstrates suboptimal performance in cases of data imbalance.
Erwan Setiawan   +2 more
doaj   +1 more source

Weather prediction using random forest machine learning model

open access: yesIndonesian Journal of Electrical Engineering and Computer Science, 2021
The complex numerical climate models pose a big challenge for scientists in weather predictions, especially for tropical system. This paper is focused on presenting the importance of weather prediction using machine learning (ML) technique. Recently many
R. Meenal   +3 more
semanticscholar   +1 more source

A Multi-Task Framework for Action Prediction

open access: yesInformation, 2020
Predicting the categories of actions in partially observed videos is a challenging task in the computer vision field. The temporal progress of an ongoing action is of great importance for action prediction, since actions can present different ...
Tianyu Yu   +3 more
doaj   +1 more source

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