Sample size determination for case-control studies of chronic disease are often based on the simple 2 x 2 tabular cross-classification of exposure and disease, thereby ignoring stratification which ...

Adam Palasciano is a writer over three years of experience writing about personal finance, investing, student loans, and more, for outlets like GOBankingRates, FinanceBuzz, The Penny Hoarder, and Wall ...

Caroline Banton has 6+ years of experience as a writer of business and finance articles. She also writes biographies for Story Terrace. Thomas J. Brock is a CFA and CPA with more than 20 years of ...

Futsal, a high-intensity sport, places considerable demands on the hip adductors and core musculature, often resulting in ...

Microsoft's spreadsheet program can do way more than you might realize. These are the hacks and tricks you need to know.

A formula is derived for determining the number of observations necessary to test the equality of two survival distributions when concomitant information is incorporated. This formula should be useful ...

How to calculate wire size and length in making rings - selected wire size depends on the motifs of the ring. - small motifs ...

Background to the Geological interpretation of individual deposits is carried out using a systematic approach to ensure that ...

The simple interest formula is Interest = P * R * T. Many, or all, of the products featured on this page are from our advertising partners who compensate us when you take certain actions on our ...

In his decades-long career in tech journalism, Dennis has written about nearly every type of hardware and software. He was a founding editor of Ziff Davis’ Computer Select in the 1990s, senior ...

A Harvard scientist believes he's cracked the code proving there's a higher power at work, using a mind-bending scientific formula that's got social media in a philosophical spin. The Ivy League ...

The African Union and campaigners want Africa's map to be corrected to its true size after years of distortion THE MOTHERLAND: Africa's size has been distorted on maps used globally and campaigners ...