# File lib/JapaneseContextAnalysis.rb, line 171
        def get_confidence
            # This is just one way to calculate confidence. It works well for me.
            if @_mTotalRel > MINIMUM_DATA_THRESHOLD
                return (@_mTotalRel - @_mRelSample[0]) / @_mTotalRel                
            else
                return DONT_KNOW
            end
        end