K-Nearest Neighbor (KNN) is a simple, non-parametric machine learning algorithm used for classification and regression tasks. It determines the class or value of a data point by considering the majority class or average value of its k nearest neighbors in the feature space.
Researchers evaluated various machine learning methods for false news detection, highlighting the strengths and limitations of passive-aggressive classifiers, SVMs, and random forests, while introducing a novel ChatGPT-generated dataset.
Researchers applied machine learning to predict CO2 corrosion rates and severity in the oil and gas industry. The random forest model outperformed others, offering accurate predictions that could enhance material selection, maintenance, and corrosion management strategies.
Researchers developed a machine learning technique to predict obesity risk by analyzing sociodemographic, lifestyle, and health factors. The study, which achieved 79% accuracy, identified significant predictors like age, sex, education, diet, and smoking habits, offering valuable insights for personalized obesity prevention.
Machine learning models predicted potato leaf blight with 98.3% accuracy using over 4000 weather records. Techniques like K-means clustering, PCA, and copula analysis identified key weather factors. Feature selection significantly enhanced model precision, aiding proactive disease management in agriculture.
In a comparative study, stochastic models, especially the CIR model, outperformed machine learning algorithms in predicting stock indices across various sectors. While machine learning showed flexibility, optimizing hyperparameters is crucial for enhancing its predictive performance, suggesting a hybrid approach for future forecasts.
Researchers introduced the RAVEN framework, a novel multitask retrieval-augmented vision-language model, achieving significant performance improvements without additional retrieval-specific parameters. It demonstrated substantial gains in image captioning and visual question answering, showcasing the efficacy of retrieval-augmented generation for efficient and accessible multimodal learning
Researchers in Nature Communications introduced PIMMS, a deep learning-based method for imputing missing values in mass spectrometry proteomics data. Applied to an alcohol-related liver disease cohort, PIMMS identified additional proteins and improved disease progression predictions, highlighting deep learning's potential in large-scale proteomics studies.
Researchers introduced a semi-supervised concept bottleneck model (SSCBM) that enhances concept prediction accuracy and interpretability by using pseudo-labels and alignment loss with both labeled and unlabeled data. The SSCBM framework demonstrated high effectiveness, achieving superior performance with only 20% labeled data compared to fully supervised settings.
Researchers explored 13 machine learning models to predict the efficacy of titanium dioxide (TiO2) in degrading air pollutants. Models like XG Boost, decision tree, and lasso regression demonstrated high accuracy, with XG Boost notably excelling with low mean absolute error and root mean squared error.
Researchers have used ensemble machine learning models to predict mechanical properties of 3D-printed polylactic acid (PLA) specimens. Models like extremely randomized tree regression (ERTR) and random forest regression (RFR) excelled in predicting tensile strength and surface roughness, demonstrating the potential of ensemble methods in optimizing 3D printing parameters.
A novel method combining infrared imaging and machine learning improves real-time heat management in metal 3D printing, enhancing part quality and process efficiency. The approach was experimentally validated, demonstrating robust performance across various geometries.
Researchers in Digital Chemical Engineering applied six machine learning algorithms to predict the solubility of salicylic acid in 13 solvents, achieving high accuracy. The random forest (RF) algorithm outperformed others with the lowest total error, showcasing the efficacy of ML in pharmaceutical applications.
This article in Scientific Reports compares ML and DL methods for localizing PD sources within power transformer tanks using single-sensor electric field measurements. Various techniques including CNN, SVR, SVM, BPNN, KNN, MLP, and XGBoost were evaluated across multiple case studies, demonstrating the CNN model's superior accuracy and robustness.
Researchers have developed AI-based computer vision systems to identify growth-stunted salmon, with YoloV7 achieving the highest accuracy. This technology offers efficient and reliable monitoring, improving fish welfare and production in aquaculture.
This article showcases a machine learning approach using K-nearest neighbors (KNN) and linear regression to assess seismic damage in moment-resisting frame buildings. By training on data generated through a new simulation procedure, researchers achieved accurate predictions of the Park-Ang structural damage index, with KNN demonstrating superior performance.
This study introduces an AI-driven approach to optimize tunnel boring machine (TBM) performance in soft ground conditions by predicting jack speed and torque settings. By synchronizing operator decisions with machine data and utilizing machine learning models, the research demonstrates significant improvements in TBM operational efficiency, paving the way for enhanced tunneling projects.
Researchers present an innovative ML-based approach, leveraging GANs for synthetic data generation and LSTM for temporal patterns, to tackle data scarcity and temporal dependencies in predictive maintenance. Despite challenges, their architecture achieves promising results, underlining AI's potential in enhancing maintenance practices.
Researchers from Xinjiang University introduced a groundbreaking approach, BFDGE, for detecting bearing faults using ensemble learning and graph neural networks. This method, demonstrated on public datasets, showcases superior accuracy and robustness, paving the way for enhanced safety and efficiency in various industries reliant on rotating machinery.
In a recent paper published in Scientific Reports, researchers addressed the challenges of accurately diagnosing migraine headaches using machine learning (ML) techniques. Leveraging state-of-the-art ML algorithms such as support vector machine (SVM), k-nearest neighbors (KNN), random forest (RF), decision tree (DST), and deep neural networks (DNN), the study demonstrated remarkable effectiveness in classifying seven different types of migraines.
Researchers dissected the intricate relationship between meta-level and statistical features of tabular datasets, unveiling the impactful role of kurtosis, meta-level ratio, and statistical mean on non-tree-based ML algorithms. This study, based on 200 diverse datasets, provides essential insights for optimizing algorithm selection and understanding the nuanced interplay between dataset characteristics and ML performance.
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