Research Article

A Comparison of Regression Tree Approaches to Modelling the Efficacy of Water Hyacinth Biocontrol Using Multitemporal Spectral Datasets

Table 2

Predictive performance of the STRTs for the low, medium, and high infestation levels.

Correlation coefficient (%)Root mean square error (FSD—number of feeding scars; RLCC-SPAD units)
Infestation levelTargetTrainValidationTrainValidation

LowFSD76490.280.40
RLCC96641.986.14
MediumFSD93510.130.33
RLCC92673.146.15
HighFSD905720.6348.31
RLCC97862.707.21

RLCC: relative leaf chlorophyll content; FSD: Feeding scar damage.