Examples of org.apache.mahout.math.list.DoubleArrayList

org.apache.mahout.math.list.DoubleArrayList
Resizable list holding double elements; implemented with arrays.

  /**
   * Returns a string representation of the receiver, containing the String representation of each key-value pair,
   * sorted ascending by key.
   */
  public String toString() {
    DoubleArrayList theKeys = keys();
    //theKeys.sort();


    StringBuilder buf = new StringBuilder();
    buf.append('[');
    int maxIndex = theKeys.size() - 1;
    for (int i = 0; i <= maxIndex; i++) {
      double key = theKeys.get(i);
      buf.append(String.valueOf(key));
      buf.append("->");
      buf.append(String.valueOf(get(key)));
      if (i < maxIndex) {
        buf.append(", ");

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  /**
   * Returns a string representation of the receiver, containing the String representation of each key-value pair,
   * sorted ascending by value.
   */
  public String toStringByValue() {
    DoubleArrayList theKeys = new DoubleArrayList();
    keysSortedByValue(theKeys);


    StringBuilder buf = new StringBuilder();
    buf.append('[');
    int maxIndex = theKeys.size() - 1;
    for (int i = 0; i <= maxIndex; i++) {
      double key = theKeys.get(i);
      buf.append(String.valueOf(key));
      buf.append("->");
      buf.append(String.valueOf(get(key)));
      if (i < maxIndex) {
        buf.append(", ");

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   * #forEachKey(DoubleProcedure)}. <p> This method can be used to iterate over the keys of the receiver.
   *
   * @return the keys.
   */
  public DoubleArrayList keys() {
    DoubleArrayList list = new DoubleArrayList(size());
    keys(list);
    return list;
  }

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  /**
   * Returns a string representation of the receiver, containing the String representation of each key-value pair,
   * sorted ascending by key.
   */
  public String toString() {
    DoubleArrayList theKeys = keys();
    //theKeys.sort();


    StringBuilder buf = new StringBuilder();
    buf.append('[');
    int maxIndex = theKeys.size() - 1;
    for (int i = 0; i <= maxIndex; i++) {
      double key = theKeys.get(i);
      buf.append(String.valueOf(key));
      buf.append("->");
      buf.append(String.valueOf(get(key)));
      if (i < maxIndex) {
        buf.append(", ");

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  /**
   * Returns a string representation of the receiver, containing the String representation of each key-value pair,
   * sorted ascending by value.
   */
  public String toStringByValue() {
    DoubleArrayList theKeys = new DoubleArrayList();
    keysSortedByValue(theKeys);


    StringBuilder buf = new StringBuilder();
    buf.append('[');
    int maxIndex = theKeys.size() - 1;
    for (int i = 0; i <= maxIndex; i++) {
      double key = theKeys.get(i);
      buf.append(String.valueOf(key));
      buf.append("->");
      buf.append(String.valueOf(get(key)));
      if (i < maxIndex) {
        buf.append(", ");

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   * (8,6,7)</tt>
   *
   * @param keyList the list to be filled, can have any size.
   */
  public void keysSortedByValue(FloatArrayList keyList) {
    pairsSortedByValue(keyList, new DoubleArrayList(size()));
  }

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   * #forEachKey(FloatProcedure)}. <p> This method can be used to iterate over the values of the receiver.
   *
   * @return the values.
   */
  public DoubleArrayList values() {
    DoubleArrayList list = new DoubleArrayList(size());
    values(list);
    return list;
  }

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   * #forEachKey(DoubleProcedure)}. <p> This method can be used to iterate over the keys of the receiver.
   *
   * @return the keys.
   */
  public DoubleArrayList keys() {
    DoubleArrayList list = new DoubleArrayList(size());
    keys(list);
    return list;
  }

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  /**
   * Returns a string representation of the receiver, containing the String representation of each key-value pair,
   * sorted ascending by key.
   */
  public String toString() {
    DoubleArrayList theKeys = keys();
    theKeys.sort();


    StringBuilder buf = new StringBuilder();
    buf.append('[');
    int maxIndex = theKeys.size() - 1;
    for (int i = 0; i <= maxIndex; i++) {
      double key = theKeys.get(i);
      buf.append(String.valueOf(key));
      buf.append("->");
      buf.append(String.valueOf(get(key)));
      if (i < maxIndex) {
        buf.append(", ");

View Full Code Here

  /**
   * Returns a string representation of the receiver, containing the String representation of each key-value pair,
   * sorted ascending by value, according to natural ordering.
   */
  public String toStringByValue() {
    DoubleArrayList theKeys = new DoubleArrayList();
    keysSortedByValue(theKeys);


    StringBuilder buf = new StringBuilder();
    buf.append('[');
    int maxIndex = theKeys.size() - 1;
    for (int i = 0; i <= maxIndex; i++) {
      double key = theKeys.get(i);
      buf.append(String.valueOf(key));
      buf.append("->");
      buf.append(String.valueOf(get(key)));
      if (i < maxIndex) {
        buf.append(", ");

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