It is widely believed that happiness is strongly correlated with wealth and income, but according to the happiness–income paradox, this is not always true. The paradox predicates that there is a strong positive correlation between income and happiness nationally, but the correlation is...

When comparing sensitivities and specificities from multiple diagnostic tests, particularly in biomedical research, the different test kits under study are applied to groups of subjects with the same disease status for a disease or medical condition under consideration. Although this process...

Retroverse Envisioning Combined Physical Fitness and Embodied Learning -- An Attribute Relationship Clustering Algorithm for Telecom Customer Group Discovery -- A Review on Sustainable Transportation and Circular Economy Actions on Urban -- Research on processing game problem of...