Still considering the above example, using the iterative method to eliminate the autocorrelation of independent variables, let DW Poisson regression model ln (')=a+b. For the data after the autocorrelation is eliminated, to ensure the robustness of the model, the model parameters may be set as first-order autoregressive model parameters a=-0.036 and b=0.6887, and the regression adjusted Poisson EWMA statistics can be expressed as:
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