Betel quid (BQ) is a psychostimulant, an addictive substance, and a group 1 carcinogen that exhibits the potential to induce adverse health effects.Approximately, 600 million users chew a variety of BQ.Areca nut (AN) is a necessary ingredient in BQ products.Arecoline is the primary alkaloid in the AN and can be metabolized through the cytochrome P4
At the same time that COVID-19 cases in the United States first began to increase, fellows in a mentored teaching apprenticeship for postdoctoral scientists began to teach undergraduate seminars.The fellows suddenly needed to support students emotionally and switch to online instruction.They were encouraged to acknowledge and address the pandemic d
The paper presents chosen methods for estimating the ROC (Receiver Operating Characteristic) curve, including parametric and nonparametric procedures.Nonparametric approach may involve the use of empirical input crank method or kernel method of the ROC curve estimation.In the analysis, an attempt of comparison of empirical and kernel ROC estimators