# File lib/SingleByteCharSetProber.rb, line 117
        def get_confidence
            r = 0.01
            if @_mTotalSeqs > 0
    #            print @_mSeqCounters[POSITIVE_CAT], @_mTotalSeqs, @_mModel['mTypicalPositiveRatio']
                r = (1.0 * @_mSeqCounters[POSITIVE_CAT]) / @_mTotalSeqs / @_mModel['mTypicalPositiveRatio']
    #            print r, @_mFreqChar, @_mTotalChar
                r = r * @_mFreqChar / @_mTotalChar
                if r >= 1.0
                    r = 0.99
                end
            end
            return r
        end