Random Forests in Count Data Modelling: An Analysis of the Influence of Data Features and Overdispersion on Regression Performance

Table 5

Description of methods’ predictive performance and Tukey’s HSD pairwise comparisons for different levels of overdispersion.

Variance-to-mean relationship	Methods
BIAS
Linear	Log_linear
	Neg.Bin
	Poisson
	Quasi-Poisson
	RF
	ZIP
Quadratic	Log_linear
	Neg.Bin
	Poisson
	Quasi-Poisson
	RF
	ZIP
RMSE
Linear	Log_linear
	Neg.Bin
	Poisson
	Quasi-Poisson
	RF
	ZIP
Quadratic	Log_linear
	Neg.Bin
	Poisson
	Quasi-Poisson
	RF
	ZIP