Examples of Sum


Examples of jscicalc.expression.Sum

      return new Error( "OObject add( x ) error" );
  else if( this instanceof Complex ){
      if( x instanceof Complex ){
    return ((Complex)this).add( (Complex)x );
      } else if( x instanceof Variable ){
    Sum s = new Sum( (Variable)x );
    return s.add( (Complex)this );
      } else if( x instanceof Sum ){
    return ((Sum)x).add( (Complex)this );
      } else if( x instanceof Product ){
    Sum s = new Sum( (Product)x );
    return s.add( (Complex)this );
      } else if( x instanceof Expression ){
    Sum s = new Sum( (Expression)x );
    return s.add( (Complex)this );
      }
  } else if( this instanceof Variable ){
      if( x instanceof Complex ){
    Sum s = new Sum( (Variable)this );
    return s.add( (Complex)x );
      } else if( x instanceof Variable ){
    Sum s = new Sum( (Variable)this );
    return s.add( x );
      } else if( x instanceof Sum ){
    Sum s = new Sum( (Variable)this );
    return s.add( (Sum)x );
      } else if( x instanceof Product ){
    Sum s = new Sum( (Variable)this );
    return s.add( (Product)x );
      } else if( x instanceof Expression ){
    Sum s = new Sum( (Variable)this );
    return s.add( new Product( (Expression)x, false ) );
      }
  } else if( this instanceof Sum ){
      if( x instanceof Complex ){
    return ((Sum)this).add( (Complex)x );
      } else if( x instanceof Variable ){
    Product s = new Product( (Variable)x, false );
    return ((Sum)this).add( s );
      } else if( x instanceof Product ){
    return ((Sum)this).add( (Product)x );
      } else if( x instanceof Sum ){
    return ((Sum)this).add( (Sum)x );
      } else if( x instanceof Expression ){
    return ((Sum)this).add( new Product( (Expression)x, false ) );
      }
  } else if( this instanceof Product ){
      if( x instanceof Complex ){
    Sum s = new Sum( (Product)this );
    return s.add( (Complex)x );
      } else if( x instanceof Variable ){
    Sum s = new Sum( (Product)this );
    Product p = new Product( (Variable)x, false );
    return s.add( p );
      } else if( x instanceof Sum ){
    Sum s = new Sum( (Product)this );
    return s.add( (Sum)x );
      } else if( x instanceof Product ){
    Sum s = new Sum( (Product)this );
    return s.add( (Product)x );
      } else if( x instanceof Expression ){
    Sum s = new Sum( (Product)this );
    return s.add( new Product( (Expression)x, false ) );
      }
  } else if( this instanceof Expression ){
      Sum s = new Sum( new Product( (Expression)this, false ) );
      if( x instanceof Complex ){
    return s.add( (Complex)x );
      } else if( x instanceof Sum ){
    return s.add( (Sum)x );
      } else if( x instanceof Product ){
    return s.add( (Product)x );
      } else if( x instanceof Expression ){
    return s.add( new Product( (Expression)x, false ) );
      }
  }
  // default
  return new Error( "OObject add( x ) error" );
    }
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Examples of org.apache.commons.math.stat.descriptive.summary.Sum

  StorelessUnivariateStatistic[] stats;

  public Stat() {
    min = new Min();
    max = new Max();
    sum = new Sum();
    mean = new Mean();
    sd = new StandardDeviation();

    stats = new StorelessUnivariateStatistic[] {min, max, sum, mean, sd};
  }
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Examples of org.apache.commons.math.stat.descriptive.summary.Sum

        assertEquals(u, v);
        assertEquals(v, u);

        // Check implementation pointers are preserved
        u.clear();
        u.setSumImpl(new Sum());
        SummaryStatistics.copy(u,v);
        assertEquals(u.sum, v.sum);
        assertEquals(u.getSumImpl(), v.getSumImpl());

    }
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Examples of org.apache.commons.math.stat.descriptive.summary.Sum

        TestUtils.assertEquals("max",s.getMax(),u.getMax(),tolerance);
    }

    public void testSetterInjection() throws Exception {
        SummaryStatistics u = createSummaryStatistics();
        u.setMeanImpl(new Sum());
        u.setSumLogImpl(new Sum());
        u.addValue(1);
        u.addValue(3);
        assertEquals(4, u.getMean(), 1E-14);
        assertEquals(4, u.getSumOfLogs(), 1E-14);
        assertEquals(Math.exp(2), u.getGeometricMean(), 1E-14);
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Examples of org.apache.commons.math.stat.descriptive.summary.Sum

    public void testSetterIllegalState() throws Exception {
        SummaryStatistics u = createSummaryStatistics();
        u.addValue(1);
        u.addValue(3);
        try {
            u.setMeanImpl(new Sum());
            fail("Expecting IllegalStateException");
        } catch (IllegalStateException ex) {
            // expected
        }
    }
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Examples of org.apache.commons.math.stat.descriptive.summary.Sum

        sumLogImpl  = new StorelessUnivariateStatistic[k];
        geoMeanImpl = new StorelessUnivariateStatistic[k];
        meanImpl    = new StorelessUnivariateStatistic[k];

        for (int i = 0; i < k; ++i) {
            sumImpl[i]     = new Sum();
            sumSqImpl[i]   = new SumOfSquares();
            minImpl[i]     = new Min();
            maxImpl[i]     = new Max();
            sumLogImpl[i= new SumOfLogs();
            geoMeanImpl[i] = new GeometricMean();
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Examples of org.apache.commons.math.stat.descriptive.summary.Sum

            }
        }

        int dfwg = 0;
        double sswg = 0;
        Sum totsum = new Sum();
        SumOfSquares totsumsq = new SumOfSquares();
        int totnum = 0;

        for (double[] data : categoryData) {

            Sum sum = new Sum();
            SumOfSquares sumsq = new SumOfSquares();
            int num = 0;

            for (int i = 0; i < data.length; i++) {
                double val = data[i];

                // within category
                num++;
                sum.increment(val);
                sumsq.increment(val);

                // for all categories
                totnum++;
                totsum.increment(val);
                totsumsq.increment(val);
            }
            dfwg += num - 1;
            double ss = sumsq.getResult() - sum.getResult() * sum.getResult() / num;
            sswg += ss;
        }
        double sst = totsumsq.getResult() - totsum.getResult() *
            totsum.getResult()/totnum;
        double ssbg = sst - sswg;
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Examples of org.apache.commons.math.stat.descriptive.summary.Sum

     *  parameters are not valid
     */
    @Override
    public double evaluate(final double[] values,final int begin, final int length) {
        if (test(values, begin, length)) {
            Sum sum = new Sum();
            double sampleSize = length;

            // Compute initial estimate using definitional formula
            double xbar = sum.evaluate(values, begin, length) / sampleSize;

            // Compute correction factor in second pass
            double correction = 0;
            for (int i = begin; i < begin + length; i++) {
                correction += values[i] - xbar;
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Examples of org.apache.commons.math.stat.descriptive.summary.Sum

     * @since 2.1
     */
    public double evaluate(final double[] values, final double[] weights,
                           final int begin, final int length) {
        if (test(values, weights, begin, length)) {
            Sum sum = new Sum();

            // Compute initial estimate using definitional formula
            double sumw = sum.evaluate(weights,begin,length);
            double xbarw = sum.evaluate(values, weights, begin, length) / sumw;

            // Compute correction factor in second pass
            double correction = 0;
            for (int i = begin; i < begin + length; i++) {
                correction += weights[i] * (values[i] - xbarw);
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Examples of org.apache.commons.math.stat.descriptive.summary.Sum

    /**
     * Construct a SummaryStatistics
     */
    public SummaryStatisticsImpl() {
        sum = new Sum();
        sumsq = new SumOfSquares();
        min = new Min();
        max = new Max();
        sumLog = new SumOfLogs();
        geoMean = new GeometricMean();
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