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For example, gentamicin is an antibiotic that can be nephrotoxic (kidney damaging) and ototoxic (hearing damaging); measurement of gentamicin through concentrations in a patient's plasma and calculation of the AUC is used to guide the dosage of this drug. [3] AUC becomes useful for knowing the average concentration over a time interval, AUC/t.
When measuring diagnostic ability, a commonly reported measure is the area under the curve (AUC). The AUC is calculable from the TOC and the ROC. The value of the AUC is consistent for the same data whether you are calculating the area under the curve for a TOC curve or a ROC curve.
When back-tested to 1970, the Buffett Indicator has averaged a reading of 85%.This is to say the total market cap of all U.S. stocks has averaged 0.85 times as much as U.S. GDP over the last 55 years.
Stocks from a message board or a so-called tipsheet: There is no shortage of people offering a “hot tip” on a stock, and many of them may lurk on message boards or offer “research ...
Duration is a measure of the price sensitivity of a stock to changes in the long term interest rate, i.e., the longer the duration, the more sensitive the stock is to interest rates. In U.S. stock markets, an SEC rule adoption in 1982 (rule 10b-18) that allowed discretionary stock buybacks has distorted the calculation of duration based on ...
What does it mean to own a stock? Owning a stock is a little different than if you owned 100 percent of a private business. Owning a share of stock gives you a partial ownership stake in the ...
The Russell 1000 Index is a U.S. stock market index that tracks the highest-ranking 1,000 stocks in the Russell 3000 Index, which represent about 93% of the total market capitalization of that index. As of 31 December 2024 [update] , the stocks of the Russell 1000 Index had a weighted average market capitalization of $1.013 trillion and a ...
Phi measures how better (or worse) is a classification, with respect to the random classification, which is characterized by Phi = 0. According to the reference values suggested by Cohen, [8] one can take Phi = 0.35 as a minimum acceptable level of Phi for a classification. In the ROC space, Phi equal to a non null constant corresponds to the ...