Class GKArray

Method Details

• getRankAccuracy

  public double getRankAccuracy()

• accept

  public void accept(double value)

  Adds a value to the sketch.

  Parameters:

  value - the value to be added

• accept

  public void accept(double value, long count)

  Adds a value to the sketch as many times as specified by count.

  Parameters:

  value - the value to be added

  count - the number of times the value is to be added

  Throws:

  IllegalArgumentException - if count is negative

• mergeWith

  public void mergeWith(GKArray other)

  Merges the other sketch into this one. After this operation, this sketch encodes the values that were added to both this and the other sketches.

  Parameters:

  other - the sketch to be merged into this one

  Throws:

  NullPointerException - if other is null

• copy

  public GKArray copy()

  Returns:

  a (deep) copy of this sketch

• isEmpty

  public boolean isEmpty()

  Returns:

  iff no value has been added to this sketch

• getCount

  public double getCount()

  Returns:

  the total number of values that have been added to this sketch

• getMinValue

  public double getMinValue()

  Returns:

  the minimum value that has been added to this sketch

  Throws:

  NoSuchElementException - if the sketch is empty

• getMaxValue

  public double getMaxValue()

  Returns:

  the maximum value that has been added to this sketch

  Throws:

  NoSuchElementException - if the sketch is empty

• getValueAtQuantile

  public double getValueAtQuantile(double quantile)

  Parameters:

  quantile - a number between 0 and 1 (both included)

  Returns:

  the value at the specified quantile

  Throws:

  NoSuchElementException - if the sketch is empty

• getValuesAtQuantiles

  public double[] getValuesAtQuantiles(double[] quantiles)

  Parameters:

  quantiles - number between 0 and 1 (both included)

  Returns:

  the values at the respective specified quantiles

  Throws:

  NoSuchElementException - if the sketch is empty