Cross Reference: /external/chromium_org/tools/telemetry/telemetry/util/statistics

Lines Matching defs:statistics
9 from telemetry.util import statistics
44     normalized_samples, scale = statistics.NormalizeSamples(samples)
49     normalized_samples, scale = statistics.NormalizeSamples(samples)
54     normalized_samples, scale = statistics.NormalizeSamples(samples)
59     normalized_samples, scale = statistics.NormalizeSamples(samples)
74       samples = statistics.NormalizeSamples(samples)[0]
75       d = statistics.Discrepancy(samples)
77       d_relaxed = statistics.Discrepancy(relaxed_samples)
81     """Computes discrepancy for sample sets with known statistics."""
83     d = statistics.Discrepancy(samples)
87     d = statistics.Discrepancy(samples)
91     d = statistics.Discrepancy(samples)
95     d = statistics.Discrepancy(samples)
99     d = statistics.Discrepancy(samples)
103     d = statistics.Discrepancy(samples)
107     d = statistics.Discrepancy(samples)
111     d = statistics.Discrepancy(samples)
114     samples = statistics.NormalizeSamples(samples)[0]
115     d = statistics.Discrepancy(samples)
120     d_abs = statistics.TimestampsDiscrepancy(time_stamps, True)
124     d_abs = statistics.TimestampsDiscrepancy(time_stamps, True)
132     d_abs_a = statistics.TimestampsDiscrepancy(time_stamps_a, True)
133     d_abs_b = statistics.TimestampsDiscrepancy(time_stamps_b, True)
134     d_abs_c = statistics.TimestampsDiscrepancy(time_stamps_c, True)
135     d_abs_d = statistics.TimestampsDiscrepancy(time_stamps_d, True)
136     d_rel_a = statistics.TimestampsDiscrepancy(time_stamps_a, False)
137     d_rel_b = statistics.TimestampsDiscrepancy(time_stamps_b, False)
138     d_rel_c = statistics.TimestampsDiscrepancy(time_stamps_c, False)
139     d_rel_d = statistics.TimestampsDiscrepancy(time_stamps_d, False)
148     d_0 = statistics.TimestampsDiscrepancy(samples[0])
149     d_1 = statistics.TimestampsDiscrepancy(samples[1])
150     d_2 = statistics.TimestampsDiscrepancy(samples[2])
151     d = statistics.TimestampsDiscrepancy(samples)
161       samples = statistics.NormalizeSamples(samples)[0]
162       d = statistics.Discrepancy(samples)
163       d_approx = statistics.Discrepancy(samples, 500)
168     self.assertEquals(3, statistics.Percentile([4, 5, 1, 3, 2], 50))
169     self.assertEquals(2.5, statistics.Percentile([5, 1, 3, 2], 50))
171     self.assertEquals(0, statistics.Percentile([], 50))
173     self.assertEquals(1, statistics.Percentile([2, 1, 5, 4, 3], 5))
175     self.assertEquals(5, statistics.Percentile([5, 2, 4, 1, 3], 95))
178     self.assertEquals(27.5, statistics.Percentile([15, 20, 35, 40, 50], 40))
182     self.assertAlmostEquals(40/3.0, statistics.ArithmeticMean([10, 10, 20]))
183     self.assertAlmostEquals(15.0, statistics.ArithmeticMean([10, 20]))
185     self.assertEquals(0, statistics.ArithmeticMean([]))
189     d = statistics.DurationsDiscrepancy(durations)
193     d = statistics.DurationsDiscrepancy(durations)
200     d_a = statistics.DurationsDiscrepancy(durations_a)
201     d_b = statistics.DurationsDiscrepancy(durations_b)
202     d_c = statistics.DurationsDiscrepancy(durations_c)
208                             statistics.StandardDeviation([1, 2, 3]))
209     self.assertEquals(0, statistics.StandardDeviation([1]))
210     self.assertEquals(0, statistics.StandardDeviation([]))
213     self.assertEquals(4, statistics.TrapezoidalRule([1, 2, 3], 1))
214     self.assertEquals(2, statistics.TrapezoidalRule([1, 2, 3], .5))
215     self.assertEquals(0, statistics.TrapezoidalRule([1, 2, 3], 0))
216     self.assertEquals(-4, statistics.TrapezoidalRule([1, 2, 3], -1))
217     self.assertEquals(3, statistics.TrapezoidalRule([-1, 2, 3], 1))
218     self.assertEquals(0, statistics.TrapezoidalRule([1], 1))
219     self.assertEquals(0, statistics.TrapezoidalRule([0], 1))