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Table 2 Best fit models for forecasting the B. dorsalis density in bioclimatic zones

From: Seasonal forecasting of Bactrocera dorsalis Hendel, 1912 (Diptera: Tephritidae) in bioclimatic zones of Sri Lanka using the SARIMA model

Zone

Best model

Equation

Standard error

Substituted equation

Wet

ARIMA (0, 1, 1) (0, 1, 0)12

(1 − B) (1 − B12) xt = (1 − β1B) et

− 0.1631

(1 − B) (1 − B12) xt = [1 − (− 0.6132) B]et

Intermediate

ARIMA (1, 1, 0) (0, 1, 0)12

(1 − α1B) (1 − B)xt = et

− 0.5112

[1 − (− 0.5112) B] (1 − B)xt = et

Dry

ARIMA (0, 1, 1) (0, 1, 0)12

(1 − B) (1 − B12) xt = (1 − β1B) et

 − 0.6506

(1 − B) (1 − B12) xt = [1 − (− 0.6506) B]et

Arid

ARIMA (0, 1, 1) (0, 1, 0)12

(1 − B) (1 − B12) xt = (1 − β1B) et

− 0.6742

(1 − B) (1 − B12) xt = [1 − (− 0.6742) B]et