How to use

subtract

method

in

weka.experiment.Stats

/**
 * Removes a value to the observed values (no checking is done
 * that the value being removed was actually added).<p>
 * 
 * It's equivalent to <code>subtract(value, 1)</code><p>
 *
 * @param value the observed value
 */
public void subtract(double value) {
 subtract(value, 1);
}

/**
 * Removes a value to the observed values (no checking is done
 * that the value being removed was actually added).<p>
 * 
 * It's equivalent to <code>subtract(value, 1)</code><p>
 *
 * @param value the observed value
 */
public void subtract(double value) {
 subtract(value, 1);
}

/**
 * Removes an observed pair of values.
 *
 * @param value1 the value from column 1
 * @param value2 the value from column 2
 */
public void subtract(double value1, double value2) {
 xStats.subtract(value1);
 yStats.subtract(value2);
 differencesStats.subtract(value1 - value2);
 xySum -= value1 * value2;
 count --;
}

/**
 * Removes an observed pair of values.
 *
 * @param value1 the value from column 1
 * @param value2 the value from column 2
 */
public void subtract(double value1, double value2) {
 xStats.subtract(value1);
 yStats.subtract(value2);
 differencesStats.subtract(value1 - value2);
 xySum -= value1 * value2;
 count --;
}

private void subtractWeightedStats(Stats stats, double... values) {
 assert values.length %2 == 0;
 for (int i = 0; i < values.length; i += 2) {
  stats.subtract(values[i], values[i + 1]);
 }
}

private void subtractWeightedStats(Stats stats, double... values) {
 assert values.length %2 == 0;
 for (int i = 0; i < values.length; i += 2) {
  stats.subtract(values[i], values[i + 1]);
 }
}

subtract(value, -weight);
return;

subtract(value, -weight);
return;

 stats.subtract(b.get(0), b.get(1));
 b.remove(1); b.remove(0);
stats.subtract(b.get(i), b.get(i + 1));

 stats.subtract(b.get(0), b.get(1));
 b.remove(1); b.remove(0);
stats.subtract(b.get(i), b.get(i + 1));

stats.subtract(value, weight);
checkStatsInvalidState(stats);
stats.subtract(value, weight);
checkStatsInvalidState(stats);
stats.subtract(value, weight);
checkStatsInvalidState(stats);

stats.subtract(value, weight);
checkStatsInvalidState(stats);
stats.subtract(value, weight);
checkStatsInvalidState(stats);
stats.subtract(value, weight);
checkStatsInvalidState(stats);

} else {
 if (delete) {
  m_attStats[i].numericStats.subtract(value,
   updateInstance.weight());
 } else {

} else {
  if (delete) {
    m_attStats[i].numericStats.subtract(value,
        updateInstance.weight());
  } else {

} else {
 if (delete) {
  m_attStats[i].numericStats.subtract(value,
   updateInstance.weight());
 } else {