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Hazard ratio. In survival analysis, the hazard ratio ( HR) is the ratio of the hazard rates corresponding to the conditions characterised by two distinct levels of a treatment variable of interest. For example, in a clinical study of a drug, the treated population may die at twice the rate per unit time [clarify] of the control population.
Body surface area. In physiology and medicine, the body surface area ( BSA) is the measured or calculated surface area of a human body. For many clinical purposes, BSA is a better indicator of metabolic mass than body weight because it is less affected by abnormal adipose mass. Nevertheless, there have been several important critiques of the ...
Microsoft Excel is a spreadsheet editor developed by Microsoft for Windows, macOS, Android, iOS and iPadOS. It features calculation or computation capabilities, graphing tools, pivot tables, and a macro programming language called Visual Basic for Applications (VBA). Excel forms part of the Microsoft 365 suite of software.
Online advertisers may see as much as a 78% price increase in paid-search rates once the search alliance between Yahoo (YHOO) and Microsoft (MSFT) is wrapped up, according to a report released ...
[5] The yahoo.com domain was created on January 18, 1995. [6] Yahoo! grew rapidly through 1990–1999 and diversified into a web portal, followed by numerous high-profile acquisitions. The company's stock price rose rapidly during the dot-com bubble and closed at an all-time high of US$118.75 in 2000. [7]
Yahoo! ( / ˈjɑːhuː /, styled yahoo! in its logo) [ 4][ 5] is an American web services provider. It is headquartered in Sunnyvale, California, and operated by the namesake company Yahoo! Inc., which is 90% owned by investment funds managed by Apollo Global Management and 10% by Verizon Communications . It provides a web portal, search engine ...
Today's best rates of return are found at FDIC-insured digital banks and online accounts paying out up to 5.35% APY with no or low deposits at Bask Bank, Ponce Bank, Lending Club and other trusted ...
2001. March 7, 2001: Yahoo CEO Tim Koogle announces he will step down and remain only a company board member. April 17, 2001: Terry Semel announced as the new Yahoo CEO. [ 18] September 26, 2001: Yahoo stocks close at an all-time low of $8.11.