Table 6 Results of the variance analysis; the Variance Inflation Factor; and the parameter estimations for the model
From: Maize yield forecast using GIS and remote sensing in Kaffa Zone, South West Ethiopia
Model | Sum of Squares | Df | Mean Square | F | Sig |
|---|---|---|---|---|---|
Maize yield forecast model variance analysis (ANOVA) | |||||
Regression | 156.49 | 1 | 156.49 | 65.643 | 0.000 |
Residual | 19.072 | 8 | 2.384 | ||
Total | 175.561 | 9 | |||
Variance Inflation Factor (VIF) between NDVIa and CHIRPS | |||||
Constant | 0 | ||||
NDVIa | 1.992 | ||||
CHIRPS | 1.992 | ||||
Model | Unstandardized Coefficients | Standardized Coefficients | T | Sig | ||
|---|---|---|---|---|---|---|
B | Std. Error | Beta | ||||
Maize forecast model's parameter estimates | ||||||
1 | Constant | -20.375 | 7.696 | -2.647 | 0. 033 | |
CHIRPS | 0.316 | 0. 0.093 | 0. 599 | 3.407 | 0. 048 | |
NDVIa | 28.360 | 11.851 | 0. 4211 | 2.393 | 0. 011 | |