This is a preview. Log in through your library . Abstract Many variables crucial to the social sciences are not directly observed but instead are latent and measured indirectly. When an external ...

We made quantitative field observations of 16 species of American lizards to characterize foraging movements and modes. Consistent with previous qualitative assessments and published data for their ...

Linear combinations of the four measurement variables best summarize the differences among the three species, assuming multivariate normality with covariance constant among groups. This requires a ...

Value-at-risk and expected shortfall (ES) are ubiquitous in finance. They are used by banks and asset managers to estimate the risk of portfolios. Regulators use them to set capital requirements. To ...

The VISTA telescope observed the Trifid Nebula, identifying previously hidden variable stars. These variable stars exhibit a period-luminosity relationship, meaning their intrinsic brightness is ...