Abstract: I welcome you to the fourth issue of the IEEE Communications Surveys and Tutorials in 2021. This issue includes 23 papers covering different aspects of communication networks. In particular, ...

Study objective: In social epidemiology, it is easy to compute and interpret measures of variation in multilevel linear regression, but technical difficulties exist in the case of logistic regression.

Don't know how to properly use your gadget or an app's latest-and-greatest feature? We'll show you how to do just about everything in the world of tech.

Background Virtual reality (VR) immersive environments have been shown to be effective in medical teaching. Our university hospital received funding from our deanery, Health Education in Wales, to ...

Git isn’t hard to learn. Moreover, with a Git GUI such as Atlassian’s Sourcetree, and a SaaS code repository such as Bitbucket, mastery of the industry’s most powerful version control tools is within ...

Windows 11 is available for download worldwide. Microsoft has released it as a free upgrade, which means you do not need to pay to upgrade your computer to Windows 11. It is available for free ...

Pilot trials have a key role in preparing for definitive randomized trials, yet determining their sample size remains a common challenge. This article provides practical guidance, methods, and ...

1 Department of Epidemiology, University of North Carolina Gillings School of Global Public Health, Chapel Hill, NC 27599, USA 2 Department of Psychiatry, Washington University School of Medicine, St ...

Want to boot your Raspberry Pi from USB instead of unreliable SD cards? If you've used a Raspberry Pi long enough, you've probably faced the… ...

If you’re completely new to Microsoft Word, you’re probably wondering where to begin. You’ve come to the right place because we’ll get you started. From what you see in the Word window to how to save ...