Package org.apache.commons.math.stat.descriptive.moment

Examples of org.apache.commons.math.stat.descriptive.moment.StandardDeviation

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        double[] values = new double[length];
        for (int i = 0; i < length; i++) {
            values[i] = start + i;
        }

        StandardDeviation stdDev = new StandardDeviation(false);
        return stdDev.evaluate(values);
    }
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        double[] values = new double[length];
        for (int i = 0; i < length; i++) {
            values[i] = start + i;
        }

        StandardDeviation stdDev = new StandardDeviation();
        return stdDev.evaluate(values);
    }
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      double[] values = new double[partitionRecordCounts.size()];
      int i = 0;
      for (Integer rc : partitionRecordCounts) {
        values[i++] = rc.doubleValue();
      }
      StandardDeviation stdDev = new StandardDeviation();
      Mean mean = new Mean();
      double std = stdDev.evaluate(values);
      double m = mean.evaluate(values);
      System.out.println("mean: " + m + " std dev: " + std);
      //Assert.assertTrue(std < 0.1 * m);
      assertEquals(31000, count);
    }
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        double[] values = new double[length];
        for (int i = 0; i < length; i++) {
            values[i] = start + i;
        }

        StandardDeviation stdDev = new StandardDeviation(false);
        return stdDev.evaluate(values);
    }
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        double[] values = new double[length];
        for (int i = 0; i < length; i++) {
            values[i] = start + i;
        }

        StandardDeviation stdDev = new StandardDeviation();
        return stdDev.evaluate(values);
    }
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        double[] values = new double[length];
        for (int i = 0; i < length; i++) {
            values[i] = start + i;
        }

        StandardDeviation stdDev = new StandardDeviation();
        return stdDev.evaluate(values);
    }
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        double[] values = new double[length];
        for (int i = 0; i < length; i++) {
            values[i] = start + i;
        }

        StandardDeviation stdDev = new StandardDeviation(false);
        return stdDev.evaluate(values);
    }
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                percentile_99 = percentile.evaluate(99);
                percentile_90 = percentile.evaluate(90);
                median = Math.max(1d, percentile.evaluate(50));
                max = StatUtils.max(rawDataAsArray);
                mean = new Mean().evaluate(rawDataAsArray);
                stddev = new StandardDeviation().evaluate(rawDataAsArray);
            }
            computedData.set(getCopyOfComputedData());
        }
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        if (estimatedInputs < 0)
            throw new IllegalArgumentException("estimatedInputs must be non-negative: " + estimatedInputs);
        this.maxSize = maxSize;
        this.estimatedInputs = estimatedInputs;
        this.buckets = new ArrayList<>(maxSize + 1);
        this.stdDev = calculateStandardDeviation ? new StandardDeviation() : null;
        computeMedianPointBoundaries(maxSize);
    }
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