In a recent study published in the United States (U.S.) Centers for Disease Control and Prevention (CDC) journal Emerging Infectious Diseases, researchers determined the mean incubation period and the ...

Paired-samples designs are used frequently in educational and behavioral research. In applications where the response variable is quantitative, researchers are encouraged to supplement the results of ...

Estimation procedures and confidence intervals are given for the median and mean survival time in the proportional hazard regression model. For median survival, the methods apply to censored data. The ...