CONTRIBUTION OF PRESENT RESEARCH TO UNCERTAINTY ASSESSMENT METHODS - Modelling Uncertainty in Flood Forecasting Systems - page 57

The resulting distributions (Fig. 4.5) are markedly different from the first two methods.
The normalisation method results in a distribution that is close to normal for each
coefficient.
Figure 4.3. Relative frequency of b j generated by rejection.
Figure 4.4. Relative frequency of b j generated by symmetry.