Java Interface:
Data menu, Infer option.
Command line, perf program:
The perf program calculates the FIS performance on a data set.
Arguments:
Command line example:
perf irissel.fis iris
returns the value 4 (misclassified items)
or
perf riceoptrules.fis rice
returns 0.004819 (index based on the quadratic error)
Perf creates the perf.res file, whose structure is described in the user documentation.