An R package for Normality in Stationary Processes

09/22/2020

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by   Izhar Asael Alonzo Matamoros, et al.

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Normality is the main assumption for analyzing dependent data in several time series models, and tests of normality have been widely studied in the literature, however, the implementations of these tests are limited. The nortsTest package performs the tests of Lobato and Velasco, Epps, Psaradakis and Vavra and random projection for normality of stationary processes. In addition, the package offers visual diagnostics for checking stationarity and normality assumptions for the most used time series models in several packages. The aim of this work is to show the functionality of the package, presenting each test performance with simulated examples, and the package utility for model diagnostic in time series analysis.