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Population equivalent (PE) or unit per capita loading, or equivalent person (EP), is a parameter for characterizing industrial wastewaters.It essentially compares the polluting potential of an industry (in terms of biodegradable organic matter) with a population (or certain number of people), which would produce the same polluting load.
Math: the four-letter word you can say on TV yet so reviled that people go great lengths to avoid it, even when they know doing so puts their financial well-being in peril. Wait! Don't click away.
Given any ratio, one can take its reciprocal; if the ratio was above 1, the reciprocal will be below 1, and conversely. The reciprocal expresses the same information, but may be more understandable: for instance, the earnings yield can be compared with bond yields, while the P/E ratio cannot be: for example, a P/E ratio of 20 corresponds to an ...
When you buy stock, you're essentially buying a tiny piece of the company it represents. Understanding how profitable the company is in relation to its stock price can be an important consideration...
A likelihood ratio is the ratio of any two specified likelihoods, frequently written as: (:) = (). The likelihood ratio is central to likelihoodist statistics : the law of likelihood states that the degree to which data (considered as evidence) supports one parameter value versus another is measured by the likelihood ratio.
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where k is the thermal conductivity, ρ the density, and c p the specific heat capacity. In engineering applications the Péclet number is often very large. In such situations, the dependency of the flow upon downstream locations is diminished, and variables in the flow tend to become "one-way" properties. Thus, when modelling certain ...
Robert Shiller's plot of the S&P 500 price–earnings ratio (P/E) versus long-term Treasury yields (1871–2012), from Irrational Exuberance. [1]The P/E ratio is the inverse of the E/P ratio, and from 1921 to 1928 and 1987 to 2000, supports the Fed model (i.e. P/E ratio moves inversely to the treasury yield), however, for all other periods, the relationship of the Fed model fails; [2] [3] even ...