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The model is usually denoted ARMA(p, q), where p is the order of AR and q is the order of MA. The general ARMA model was described in the 1951 thesis of Peter Whittle , Hypothesis testing in time series analysis , and it was popularized in the 1970 book by George E. P. Box and Gwilym Jenkins .
The AR(p) model is given by the equation = = +. It is based on parameters where i = 1, ..., p. There is a direct correspondence between these parameters and the covariance function of the process, and this correspondence can be inverted to determine the parameters from the autocorrelation function (which is itself obtained from the covariances).
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If an article overall has so many images that they lengthen the page beyond the length of the text itself, you can use a gallery; or you can create a page or category combining all of them at Wikimedia Commons and use a relevant template ({}, {{Commons category}}, {{Commons-inline}} or {{Commons category-inline}}) to link to it instead, so that ...
Welcome to the user page design guide. In this multi-page guide, you will find advice on how to develop your user page, and resources that you can copy and paste to make it easier. Eventually, many Wikipedians turn their attention to their user pages. A nice user page can create a stronger tie between a user and the community, but it can be a ...
As of 2018, the Portals Project has made some astounding advancements in portal design, making portals a breeze to create and modify. One possible application of the new portal design is as a user page. For an example of a user page set up as a portal, see User:The Transhumanist.
MediaWiki stores rendered formulas in a cache so that the images of those formulas do not need to be created each time the page is opened by a user. To force the rerendering of all formulas of a page, you must open it with the getter variables action=purge&mathpurge=true. Imagine for example there is a wrong rendered formula in the article Integral