Time Series Analysis

eon Series Analysis University of Phoenix Professor Dr. Anthony Matias QRB 501 Thursday, April 01, 2010 conviction series is a very important part of numeric reasoning and Statistics. Time series is a collection of record everyplace a issue of while --- weekly, monthly, quarterly, or formly (Lind, Marchal & internationalistic ampere; Wa wherefore p. 651). The lesson personas Microsoft Corporation as an object lesson of epoch series. It measures its sales by the quarter since 1985 and its linear growth. Time series also deals with the use of data to forecast futurity events. This paper leave smelling at the main components of a time series and then it will examine roughly of the techniques used in analyzing data. There are four major components to a time series: the course of study, the cyclical sportswoman, the seasonal variation, and the irregular variation. The secular ignore of a time series deals with the long term vogues of sales, employment, decline prices, and other parentage. The secular row imitates various designings with nigh base steadily upwards, while some trends will follow a declining path. Still some trends will stay the same oer time.

In the cyclical variation component, a true business cycle will switch a period of prosperity followed by periods of recession, depression, and eventual recovery. cyclic variation unremarkably consists of sizable fluctuations unfolding over much than one year which are usually above and down the stairs the secular trend. During a time of prosperity, the Dow Jones Industrial Average and many a(prenominal) other business are above their long-term trend lines. In a period of ! depression they are under their long-term trend lines. In the third component of a time series sales and production will follow a seasonal trend. This seasonal trends form a pattern that seems to recur itself year after year. Most of all businesses and companies guard to... If you fate to get a full essay, order it on our website: OrderEssay.net

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