Diagnostic Checking – The Ljung-Box Statistic [Ljung and Box, 1978] was used to investigate model adequacy, i.e., to ascertain that the residuals are white noise (zero mean, constant variance, uncorrelated process and normally-distributed).
Diagnostic Checking – The Ljung-Box Statistic [Ljung and Box, 1978] was used to investigate model adequacy,i.e., to ascertain that the residuals are white noise (zero mean, constant variance, uncorrelated process andnormally-distributed).