예제 #1
0
    def table2_row(t0, total, rt0, rtotal):
        def pTi(t, total): return t * 1.0 / total

        def sTi(rt0, rtotal, t0): return 99999999 if rt0 == 0 else (t0 - rt0) / (
            pow(rt0 * (1 - rt0 * 1.0 / rtotal), 0.5))

        return {'|Ti|': t0,
                'p(Ti)': pTi(t0, total),
                'p0(Ti)': numpy.mean([pTi(rt0[i], rtotal[i]) for i in range(0, MAX_RANDOM_RUNS)]),
                'p0(Ti)-sd': std_dev([pTi(rt0[i], rtotal[i]) for i in range(0, MAX_RANDOM_RUNS)]),
                's(Ti)': numpy.mean([sTi(rt0[i], rtotal[i], t0) for i in range(0, MAX_RANDOM_RUNS)]),
                's(Ti)-sd': std_dev([sTi(rt0[i], rtotal[i], t0) for i in range(0, MAX_RANDOM_RUNS)])
        }
예제 #2
0
 def normalize(data_point, data_points):
     very_small_value = 0.000001
     mean = sum(data_points) * 1.0 / len(data_points)
     stddev = std_dev(data_points)
     if stddev == 0:
         stddev = very_small_value if mean == 0 else mean * very_small_value
     return (data_point - mean) / (3.0 * stddev)
 def print_averages(self):
     for traid_type in self.run_lengths:
         values=[]
         for count in self.run_lengths[traid_type]:
             for i in range(0,self.run_lengths[traid_type][count]): values.append(count)
         print "%s=%.2f,%.2f" % (traid_type, average(values),std_dev(values))