It was evident from the above findings that contributing
factors played a very important role in flood
predictability. In order to determine whether a given
area would be flooded, a set of weights were assigned
to these factors (attributes), forming a prediction
function. In our experiment, the weights were specified
by either expert or computed by the ANN. These
weights are listed in Table 5. It should be noted that,
P9 was only introduced in this study based on current
hypothesis and not previously obtained in the survey
[2], hence its absence in the expert column.