GPS-X Technical Reference

415 Miscellaneous
As compared to the three measured data types indicated above, the raw simulation data produced
by the wastewater models refers to a specific time and hence is similar to the Grab data type.
Therefore, when simulation data is required to be compared with the composite measured data
types (Type 2 and 3 above), a further processing of simulation data is necessary for meaningful
comparison.
Considering the above discussion, depending on the type of the sample used for comparison, an
equivalent sample data estimated using the simulation data in the statistical analysis. The type of
sample can be specified in “Measured Data Type” section of the statistical setup menu (Figure
15-2).
Figure 15-2 - Statistical Analysis Set up Menu for Data Type, Output Plots and Table
STATISTICAL INDICES
Table of Statistical Indices
The main objective in this first implementation is to focus on the most important
statistical indices that may be helpful in quantitative assessment of model calibration and
validation. A brief description of the statistical indices that are calculated for a given
dataset is provided in Table 15-1.
GPS-X Technical Reference