Scientists reveal the hidden forces shaping how gravity works across the Universe

Gravity has been tested extremely well inside the solar system. On cosmic scales, direct tests are harder. This study pushes ...

Chatbots show political bias and steer voters toward some parties, analysis finds

Popular AI chatbots such as ChatGPT and Gemini are not neutral and tend to favor certain political parties when asked who ...
Thorax

At-risk registers integrated into primary care to stop asthma crises in the UK: cluster randomised controlled trial with economic evaluation

Background A regional trial indicated that implementing at-risk asthma registers in primary care could reduce hospital ...

Simple Random Sampling: 6 Basic Steps With Examples

A simple random sample is a subset of a statistical population where each member of the population is equally likely to be ...
csis.org

Chicago’s Emerging Quantum Innovation Cluster

Chicago is rapidly emerging as one of the United States’ most ambitious quantum technology hubs. Anchored by world-class universities, two Department of Energy national laboratories, strong regional ...
IEEE

An Adaptive Nonprobabilistic Convex Modeling Method Based on Cluster Analysis

Abstract: Nonprobabilistic convex models have significant advantages in dealing with limited sample data with unimodal distributions but often struggle to capture complex features when facing ...
IEEE

Hierarchical Fuzzy-Cluster-Aware Grid Layout for Large-Scale Data

Abstract: Fuzzy clusters, where ambiguous samples belong to multiple clusters, are common in real-world applications. Analyzing such ambiguous samples in large-scale datasets is crucial for practical ...
Scientific Research Publishing

Employing Principal Component Analysis and K-Means Clustering to Elucidate the Geological Compositional Process at N’Guérédonké Ultramafic Fe-Ti Deposit ()

The N’Guérédonké deposit, Faranah Province (Republic of Guinea), is part of the Leonian-Liberian crystalline shield, consisting of Archean granitoids and greenstone formations with a syn-tectonic ...
BMJ

Efficacy and safety of intensive antihypertensive strategy in patients with low diastolic blood pressure: a secondary analysis of a cluster randomised trial

Background Intensive blood pressure (BP) control <130/80 mm Hg could bring additional benefits for cardiovascular disease (CVD). However, it is unclear whether intensive BP control remains effective ...
C&EN

Illuminating the Interface of Blocc Chemistry and Data Science: An Introduction to K-Nearest Neighbor Analysis and K-Medoids Clustering

Article subjects are automatically applied from the ACS Subject Taxonomy and describe the scientific concepts and themes of the article. The discovery of functional small molecules, chemical matter ...
Scientific Research Publishing

On Prediction of Stock Return and Volatility Using Clustering Techniques: Taking an Example of Japanese Stock Market ()

Stock returns exhibit nonlinear dynamics and volatility clustering. It is well known that we cannot forecast the movements of stock prices under the condition that market is efficient. In most ...