Several graphical techniques for checking the proportional-hazards assumption of Cox's semiparametric regression model for censored survival data are discussed, and some numerical tests to support the ...

It's the first week of the 2025 NFL season and we're already two games in. Here's our tips for your lineup for the rest of the week.

There are few available data on IYCF in specific groups such as infants exposed to HIV. Thus, our study aimed to determine ...