However, as mentioned in the Introduction, this study aims to assess the impact of f on those metrics, or to some extent, to prove the hypothesis that f has no influence on the metrics. The results suggest that several metrics, such as UDI-e and UDI-e′, have a very small uncertainty...
A p value = 0.731 was obtained; therefore, at a significance level of 0.05, there are no grounds to reject the H0 hypothesis. Therefore, it can be concluded that the SPI values calculated for the maize growth period for the last 30 years are not significantly different among the three ...