Re: [R] FW: help with time Series regression please

Cathy, How does this model look? [(1-B**4)]Y(T) = 20.767 +[X1(T)][(1-B**4)][(+ 56.1962)] :PULSE 7/ 4 I~P00028test +[X2(T)][(1-B**

[R] FW: help with time Series regression please

Dear all, I am having difficulty to built a model of quarter sales of spirits data, and deciding which is the best model. The yfit2, yfit3, and yfit4 lines was not appeared right at the end. The data and script is enclosed with this email. I am using the harmonic regression model to e

[R] FW: help with time Series regression please

Dear all, I am having difficulty to built a model of quarter sales of spirits data, and deciding which is the best model. The yfit2, yfit3, and yfit4 lines was not appeared right at the end. The data and script is enclosed with this email. I am using the harmonic regression model to exam