Consider a time series of some economic variable (at least of 20 years) and estimate the trend using the following methods: Graphic Method Method of Semi Averages Method of Least Squares Method of Moving Averages ( determine the period of MA also: if not possible take m=4) Interpret your result for each of the method. Also plot the trend values obtained from Method of Least Squares and Method of Moving Averages against the original data and compare the results from the two methods. Also find the trend eliminated values of the variable. Least squares method
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