Research Article

Quantification of Uncertainty in Mathematical Models: The Statistical Relationship between Field and Laboratory pH Measurements

Table 1

Nested factorial design for linear model: field pH versus lab pH in 1 : 5 water ( versus ).

ModelLinear

Data typeOriginal dataRandomised
Performance indexLeast squaresPearson criterionLeast squaresPearson criterion
FigureFigure 4(a)Figure 4(b)Figure 5(a)Figure 5(b)