Fig. 5
From: The influence of cold weather on the usage of emergency link calls: a case study in Hong Kong
Diagnostic plots of the negative binomial GLARMA model. Top left: Observed daily call counts versus the fitted values by the GLARMA model; Top right: plot of the Pearson residuals against time; Middle left: histogram of the PIT residuals; Middle right: histogram of the normalized (randomized) PIT residuals; Bottom left: QQ plot of the randomized residuals; Bottom right: ACF plot of the randomized residuals