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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.
In 1993, this was developed into a set of DOS-based computer programs by Paul M. Gahlinger with the assistance of one of the original authors of calculator programs, Prof. JH Abramson [2] that came to be called Pepi (an acronym for "Programs for EPIdemiologists") and evolved, after its fourth version in 2001, [3] into WinPepi (Pepi-for-Windows).
Statistics Kingdom [6] Statistical tests, charts, probabilities, and clear results. Automatically checks assumptions, interprets results, and outputs graphs, histograms, and charts. Online statistics calculators support the test statistic and the p-value and more results like effect size, test power, and normality level.
First, with a data sample of length n, the data analyst may run the regression over only q of the data points (with q < n), holding back the other n – q data points with the specific purpose of using them to compute the estimated model’s MSPE out of sample (i.e., not using data that were used in the model estimation process).
The P program can be used for studies with dichotomous, continuous, or survival response measures. The user specifies the alternative hypothesis in terms of differing response rates, means, survival times, relative risks, or odds ratios. Matched or independent study designs may be used.
You find a P/E ratio by dividing a stock’s share price by the earnings per share, or EPS, which is simply the total net profits from the last year divided by the total number of outstanding shares.
"A Short Preview of Free Statistical Software Packages for Teaching Statistics to Industrial Technology Majors" (PDF). Journal of Industrial Technology . 21 (2).
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