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## edu.stanford.nlp.stats
Class TwoDimensionalCounter<K1,K2>

    java.lang.Object
      edu.stanford.nlp.stats.TwoDimensionalCounter<K1,K2>

All Implemented Interfaces:
  Serializable

    public class TwoDimensionalCounter<K1,K2>

extends Object
implements Serializable

A class representing a mapping between pairs of typed objects and double values.

Author:
  Teg Grenager
See Also:
  Serialized Form

Constructor Summary
`TwoDimensionalCounter()`
`TwoDimensionalCounter(MapFactory<K1,ClassicCounter<K2>> outerFactory, MapFactory<K2,MutableDouble> innerFactory)`

Method Summary
`void` | `addAll(K1 key, ClassicCounter<K2> c)`
`void` | `addAll(TwoDimensionalCounter<K1,K2> c)`
`void` | `clean()`
`boolean` | `containsKey(K1 o1, K2 o2)`
`void` | `decrementCount(K1 o1, K2 o2)`
`void` | `decrementCount(K1 o1, K2 o2, double count)`
`double` | `defaultReturnValue()`
`void` | `defaultReturnValue(double rv)`
`Set<Map.Entry<K1,ClassicCounter<K2>>>` | `entrySet()`
`boolean` | `equals(Object o)`
`Set<K1>` | `firstKeySet()`
`ClassicCounter<Pair<K1,K2>>` | `flatten()`
`double` | `getCount(K1 o1, K2 o2)`
`ClassicCounter<K2>` | `getCounter(K1 o)`
`MapFactory<K2,MutableDouble>` | `getInnerMapFactory()`
`MapFactory<K1,ClassicCounter<K2>>` | `getOuterMapFactory()`
`int` | `hashCode()`
`void` | `incrementCount(K1 o1, K2 o2)`
`void` | `incrementCount(K1 o1, K2 o2, double count)`
`boolean` | `isEmpty()`
`static void` | `main(String[] args)`
`void` | `remove(K1 key)`
`double` | `remove(K1 o1, K2 o2)`
`void` | `removeZeroCounts()`
`static
`<K1,K2> TwoDimensionalCounter<K2,K1>`
` | `reverseIndexOrder(TwoDimensionalCounter<K1,K2> cc)` Produces a new ConditionalCounter.
`Set<K2>` | `secondKeySet()`
`void` | `setCount(K1 o1, K2 o2, double count)`
`ClassicCounter<K2>` | `setCounter(K1 o, ClassicCounter<K2> c)` replace the counter for K1-index o by new counter c
`int` | `size()`
`void` | `subtractAll(K1 key, ClassicCounter<K2> c)`
`void` | `subtractAll(TwoDimensionalCounter<K1,K2> c, boolean removeKeys)`
`String` | `toCSVString(NumberFormat nf)`
`double[][]` | `toMatrix(List<K1> firstKeys, List<K2> secondKeys)` Given an ordering of the first (row) and second (column) keys, will produce a double matrix.
`String` | `toMatrixString(int cellSize)`
`String` | `toString()` A simple String representation of this TwoDimensionalCounter, which has the String representation of each key pair on a separate line, followed by the count for that pair.
`double` | `totalCount()` Takes linear time.
`double` | `totalCount(K1 k1)`

Methods inherited from class java.lang.Object
`clone, finalize, getClass, notify, notifyAll, wait, wait, wait`

Constructor Detail

### TwoDimensionalCounter

    public TwoDimensionalCounter()

### TwoDimensionalCounter

    public TwoDimensionalCounter(MapFactory<K1,ClassicCounter<K2>> outerFactory,
                                 MapFactory<K2,MutableDouble> innerFactory)

Method Detail

### defaultReturnValue

    public void defaultReturnValue(double rv)

### defaultReturnValue

    public double defaultReturnValue()

### equals

    public boolean equals(Object o)

  Overrides:
    `equals` in class `Object`

### hashCode

    public int hashCode()

  Overrides:
    `hashCode` in class `Object`

### getCounter

    public ClassicCounter<K2> getCounter(K1 o)

  Returns:
    the inner Counter associated with key o

### entrySet

    public Set<Map.Entry<K1,ClassicCounter<K2>>> entrySet()

### size

    public int size()

  Returns:
    total number of entries (key pairs)

### containsKey

    public boolean containsKey(K1 o1,
                               K2 o2)

### incrementCount

    public void incrementCount(K1 o1,
                               K2 o2)

### incrementCount

    public void incrementCount(K1 o1,
                               K2 o2,
                               double count)

### decrementCount

    public void decrementCount(K1 o1,
                               K2 o2)

### decrementCount

    public void decrementCount(K1 o1,
                               K2 o2,
                               double count)

### setCount

    public void setCount(K1 o1,
                         K2 o2,
                         double count)

### remove

    public double remove(K1 o1,
                         K2 o2)

### getCount

    public double getCount(K1 o1,
                           K2 o2)

### totalCount

    public double totalCount()

  Takes linear time.

### totalCount

    public double totalCount(K1 k1)

### firstKeySet

    public Set<K1> firstKeySet()

### setCounter

    public ClassicCounter<K2> setCounter(K1 o,
                                         ClassicCounter<K2> c)

  replace the counter for K1-index o by new counter c

### reverseIndexOrder

    public static <K1,K2> TwoDimensionalCounter<K2,K1> reverseIndexOrder(TwoDimensionalCounter<K1,K2> cc)

  Produces a new ConditionalCounter.

  Returns:
    a new ConditionalCounter, where order of indices is reversed

### toString

    public String toString()

  A simple String representation of this TwoDimensionalCounter, which has the String representation of each key pair on a separate line, followed by the count for that pair. The items are tab separated, so the result is a tab-separated value (TSV) file. Iff none of the keys contain spaces, it will also be possible to treat this as whitespace separated fields.

  Overrides:
    `toString` in class `Object`

### toMatrixString

    public String toMatrixString(int cellSize)

### toMatrix

    public double[][] toMatrix(List<K1> firstKeys,
                               List<K2> secondKeys)

  Given an ordering of the first (row) and second (column) keys, will produce a double matrix.

### toCSVString

    public String toCSVString(NumberFormat nf)

### secondKeySet

    public Set<K2> secondKeySet()

### isEmpty

    public boolean isEmpty()

### flatten

    public ClassicCounter<Pair<K1,K2>> flatten()

### addAll

    public void addAll(TwoDimensionalCounter<K1,K2> c)

### addAll

    public void addAll(K1 key,
                       ClassicCounter<K2> c)

### subtractAll

    public void subtractAll(K1 key,
                            ClassicCounter<K2> c)

### subtractAll

    public void subtractAll(TwoDimensionalCounter<K1,K2> c,
                            boolean removeKeys)

### removeZeroCounts

    public void removeZeroCounts()

### remove

    public void remove(K1 key)

### clean

    public void clean()

### getOuterMapFactory

    public MapFactory<K1,ClassicCounter<K2>> getOuterMapFactory()

### getInnerMapFactory

    public MapFactory<K2,MutableDouble> getInnerMapFactory()

### main

    public static void main(String[] args)

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