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In contrast to the mean absolute percentage error, SMAPE has both a lower bound and an upper bound. Indeed, the formula above provides a result between 0% and 200%. Indeed, the formula above provides a result between 0% and 200%.
[20] [19] In 2009 he also predicted that the US government would take over and nationalize a number of large banks; it did not happen. [21] In October 2009 he predicted that the price of gold "can go above $1,000, but it can’t move up 20-30%”; he was wrong, as the price of gold rose over the next 18 months, breaking through the $1,000 ...
Download QR code; Wikidata item; Print/export ... Most commonly the absolute percent errors are weighted by the ... For forecasts which are too low the percentage ...
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For a confidence level, there is a corresponding confidence interval about the mean , that is, the interval [, +] within which values of should fall with probability . ...
As a percentage of the total expenditure; As a total percentage including and above the original budget; As a percentage of the cost overruns to original budget; For example, consider a bridge with a construction budget of $100 million where the actual cost was $150 million. This scenario could be truthfully represented by the following statement
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In finance, Jensen's alpha [1] (or Jensen's Performance Index, ex-post alpha) is used to determine the abnormal return of a security or portfolio of securities over the theoretical expected return. It is a version of the standard alpha based on a theoretical performance instead of a market index . The security could be any asset, such as stocks ...