1. trend (Long Term Trend: T)The trend is to represent the motion or change of the information in the long term, such as the consumption of the country's electricity consumption, Thai na into crude oil and export of cars, etc.The trend will be able to tell you that it is biased in the direction of increased or decreased as in the direction of long-term trends, to calculate the values must be aware of the characteristics of the series before that resembles a straight line or not in a straight line. The analysis is represented by the straight line equation or an equation, into another program, such as another Parabola, Exponential, etc. In the data analysis.
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