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"The quick brown fox jumps over the lazy dog" is an English-language pangram – a sentence that contains all the letters of the alphabet. The phrase is commonly used for touch-typing practice, testing typewriters and computer keyboards , displaying examples of fonts , and other applications involving text where the use of all letters in the ...
Historically, backtesting was only performed by large institutions and professional money managers due to the expense of obtaining and using detailed datasets. However, backtesting is increasingly used on a wider basis, and independent web-based backtesting platforms have emerged. Although the technique is widely used, it is prone to weaknesses ...
The best example of the plug-in principle, the bootstrapping method. Bootstrapping is a statistical method for estimating the sampling distribution of an estimator by sampling with replacement from the original sample, most often with the purpose of deriving robust estimates of standard errors and confidence intervals of a population parameter like a mean, median, proportion, odds ratio ...
The practice of teaching to the test may reduce the validity of standardized test results, as scores can be inflated due to overemphasis on test-related content rather than overall subject mastery. Gabe Pressman, a journalist for WNBC-TV, noted that political pressures could lead to adjusting test benchmarks to achieve desired outcomes ...
A terrifying incident with one of her students inspired Brittni Darras to write personal letters to more than 100 of the kids she teaches.
Modern Derivatives Pricing and Credit Exposure Analysis: Theory and Practice of CSA and XVA Pricing, Exposure Simulation and Backtesting. Palgrave Macmillan. ISBN 978-1137494832. Dongsheng Lu (2015). The XVA of Financial Derivatives: CVA, DVA and FVA Explained. Palgrave Macmillan. ISBN 978-1137435835. Ignacio Ruiz (2015).
This simple example for the case of mean estimation is just to illustrate the construction of a jackknife estimator, while the real subtleties (and the usefulness) emerge for the case of estimating other parameters, such as higher moments than the mean or other functionals of the distribution.
The worst occurred over 50 years ago when four unarmed Kent State University students were killed, and another paralyzed, by National Guardsmen during a protest of the U.S. bombings in Cambodia.