CHAPTER V-ECONOMIC AND SOCIAL FORECASTS THE NUMBER OF TIME The majority of figures in economics and business is the range of time. The purpose of the analysis is the time ranges description, analysis and links. Chapter 5 starts from the description of the time to find out if the number ranges can include components, peripheral or value have no trend change. The description of the time series can offer important suggestions for choosing model prediction with sequence of time. Forecasting is a difficult topic but very important help for planning economic and social development at the national level or the business plan of a business. The quality of the forecasts depend very much on the selection of the appropriate model prediction with sequence data. Some basic forecasting models using time ranges will be mentioned in this chapter.5.1. Description of the socio-economic data over time5.1.1. automatic correlation description5.1.2. Auto correlation function graph5.2. The forecast of social-economic phenomena over time5.2.1. A number of basic concepts5.2.2. The forecast using the Box-Jenkins
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