DoubleDict

Object
- DoubleDict

```
public class DoubleDict
extends Object
```
A simple table class to use a String as a lookup for an double value.

See Also:

IntDict, StringDict

Nested Class Summary

Nested Classes
Modifier and Type Class and Description

class DoubleDict.Entry

Nested Classes
Modifier and Type	Class and Description
`class`	`DoubleDict.Entry`

Constructor Summary

Constructors
Constructor and Description
`DoubleDict()`
`DoubleDict(BufferedReader reader)` Read a set of entries from a Reader that has each key/value pair on a single line, separated by a tab.
`DoubleDict(int length)` Create a new lookup with a specific size.
`DoubleDict(Map<String,Double> incoming)`
`DoubleDict(Object[][] pairs)` Constructor to allow (more intuitive) inline initialization, e.g.:
`DoubleDict(String[] keys, double[] values)`

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`void`	`add(String key, double amount)`
`void`	`clear()` Remove all entries.
`DoubleDict`	`copy()` Returns a duplicate copy of this object.
`void`	`div(String key, double amount)`
`Iterable<DoubleDict.Entry>`	`entries()`
`Iterator<DoubleDict.Entry>`	`entryIterator()`
`double`	`get(String key)` Return a value for the specified key.
`double`	`get(String key, double alternate)`
`DoubleDict`	`getPercent()` Sum all of the values in this dictionary, then return a new FloatDict of each key, divided by the total sum.
`boolean`	`hasKey(String key)`
`int`	`index(String what)`
`String`	`key(int index)`
`String[]`	`keyArray()` Return a copy of the internal keys array.
`String[]`	`keyArray(String[] outgoing)`
`Iterator<String>`	`keyIterator()`
`Iterable<String>`	`keys()`
`int`	`maxIndex()`
`String`	`maxKey()` The key for a max value; null if empty or everything is NaN (no max).
`double`	`maxValue()` The max value.
`int`	`minIndex()`
`String`	`minKey()`
`double`	`minValue()`
`void`	`mult(String key, double amount)`
`void`	`print()`
`double`	`remove(String key)`
`double`	`removeIndex(int index)`
`void`	`resize(int length)` Resize the internal data, this can only be used to shrink the list.
`void`	`save(File file)` Save tab-delimited entries to a file (TSV format, UTF-8 encoding)
`void`	`set(String key, double amount)`
`void`	`setIndex(int index, String key, double value)`
`int`	`size()`
`void`	`sortKeys()` Sort the keys alphabetically (ignoring case).
`void`	`sortKeysReverse()`
`void`	`sortValues()` Sort by values in descending order (largest value will be at [0]).
`void`	`sortValues(boolean stable)` Set true to ensure that the order returned is identical.
`void`	`sortValuesReverse()`
`void`	`sortValuesReverse(boolean stable)`
`void`	`sub(String key, double amount)`
`double`	`sum()`
`void`	`swap(int a, int b)`
`String`	`toJSON()` Return this dictionary as a String in JSON format.
`String`	`toString()`
`double`	`value(int index)`
`double[]`	`valueArray()` Create a new array and copy each of the values into it.
`double[]`	`valueArray(double[] array)` Fill an already-allocated array with the values (more efficient than creating a new array each time).
`Iterator<Double>`	`valueIterator()`
`Iterable<Double>`	`values()`
`void`	`write(PrintWriter writer)` Write tab-delimited entries out to

Methods inherited from class Object
equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

- Constructor Detail
  - DoubleDict
```
public DoubleDict()
```
  - DoubleDict
```
public DoubleDict(int length)
```
    Create a new lookup with a specific size. This is more efficient than not specifying a size. Use it when you know the rough size of the thing you're creating.
  - DoubleDict
```
public DoubleDict(BufferedReader reader)
```
    Read a set of entries from a Reader that has each key/value pair on a single line, separated by a tab.
  - DoubleDict
```
public DoubleDict(String[] keys,
                  double[] values)
```
  - DoubleDict
```
public DoubleDict(Object[][] pairs)
```
    Constructor to allow (more intuitive) inline initialization, e.g.:
```
 new FloatDict(new Object[][] {
   { "key1", 1 },
   { "key2", 2 }
 });
 
```
  - DoubleDict
```
public DoubleDict(Map<String,Double> incoming)
```
- Method Detail
  - size
```
public int size()
```
    In brief:
    
    Returns the number of key/value pairs
  - resize
```
public void resize(int length)
```
    Resize the internal data, this can only be used to shrink the list. Helpful for situations like sorting and then grabbing the top 50 entries.
  - clear
```
public void clear()
```
    Remove all entries.
    
    In brief:
    
    Remove all entries
  - entries
```
public Iterable<DoubleDict.Entry> entries()
```
  - entryIterator
```
public Iterator<DoubleDict.Entry> entryIterator()
```
  - key
```
public String key(int index)
```
  - keys
```
public Iterable<String> keys()
```
  - keyIterator
```
public Iterator<String> keyIterator()
```
  - keyArray
```
public String[] keyArray()
```
    Return a copy of the internal keys array. This array can be modified.
    
    In brief:
    
    Return a copy of the internal keys array
  - keyArray
```
public String[] keyArray(String[] outgoing)
```
  - value
```
public double value(int index)
```
  - values
```
public Iterable<Double> values()
```
    In brief:
    
    Return the internal array being used to store the values
  - valueIterator
```
public Iterator<Double> valueIterator()
```
  - valueArray
```
public double[] valueArray()
```
    Create a new array and copy each of the values into it.
    
    In brief:
    
    Create a new array and copy each of the values into it
  - valueArray
```
public double[] valueArray(double[] array)
```
    Fill an already-allocated array with the values (more efficient than creating a new array each time). If 'array' is null, or not the same size as the number of values, a new array will be allocated and returned.
  - get
```
public double get(String key)
```
    Return a value for the specified key.
    
    In brief:
    
    Return a value for the specified key
  - get
```
public double get(String key,
                  double alternate)
```
  - set
```
public void set(String key,
                double amount)
```
    In brief:
    
    Create a new key/value pair or change the value of one
  - setIndex
```
public void setIndex(int index,
                     String key,
                     double value)
```
  - hasKey
```
public boolean hasKey(String key)
```
    In brief:
    
    Check if a key is a part of the data structure
  - add
```
public void add(String key,
                double amount)
```
    In brief:
    
    Add to a value
  - sub
```
public void sub(String key,
                double amount)
```
    In brief:
    
    Subtract from a value
  - mult
```
public void mult(String key,
                 double amount)
```
    In brief:
    
    Multiply a value
  - div
```
public void div(String key,
                double amount)
```
    In brief:
    
    Divide a value
  - minIndex
```
public int minIndex()
```
    In brief:
    
    Return the smallest value
  - minKey
```
public String minKey()
```
  - minValue
```
public double minValue()
```
  - maxIndex
```
public int maxIndex()
```
    In brief:
    
    Return the largest value
  - maxKey
```
public String maxKey()
```
    The key for a max value; null if empty or everything is NaN (no max).
  - maxValue
```
public double maxValue()
```
    The max value. (Or NaN if no entries or they're all NaN.)
  - sum
```
public double sum()
```
  - index
```
public int index(String what)
```
  - remove
```
public double remove(String key)
```
    In brief:
    
    Remove a key/value pair
  - removeIndex
```
public double removeIndex(int index)
```
  - swap
```
public void swap(int a,
                 int b)
```
  - sortKeys
```
public void sortKeys()
```
    Sort the keys alphabetically (ignoring case). Uses the value as a tie-breaker (only really possible with a key that has a case change).
    
    In brief:
    
    Sort the keys alphabetically
  - sortKeysReverse
```
public void sortKeysReverse()
```
    In brief:
    
    Sort the keys alphabetically in reverse
  - sortValues
```
public void sortValues()
```
    Sort by values in descending order (largest value will be at [0]).
    
    In brief:
    
    Sort by values in ascending order
  - sortValues
```
public void sortValues(boolean stable)
```
    Set true to ensure that the order returned is identical. Slightly slower because the tie-breaker for identical values compares the keys.
    
    Parameters:
    
    stable -
  - sortValuesReverse
```
public void sortValuesReverse()
```
    In brief:
    
    Sort by values in descending order
  - sortValuesReverse
```
public void sortValuesReverse(boolean stable)
```
  - getPercent
```
public DoubleDict getPercent()
```
    Sum all of the values in this dictionary, then return a new FloatDict of each key, divided by the total sum. The total for all values will be ~1.0.
    
    Returns:
    
    a FloatDict with the original keys, mapped to their pct of the total
  - copy
```
public DoubleDict copy()
```
    Returns a duplicate copy of this object.
  - print
```
public void print()
```
  - save
```
public void save(File file)
```
    Save tab-delimited entries to a file (TSV format, UTF-8 encoding)
  - write
```
public void write(PrintWriter writer)
```
    Write tab-delimited entries out to
    
    Parameters:
    
    writer -
  - toJSON
```
public String toJSON()
```
    Return this dictionary as a String in JSON format.
  - toString
```
public String toString()
```
    Overrides:
    
    toString in class Object

Class DoubleDict

Nested Class Summary

Constructor Summary

Method Summary

Methods inherited from class Object

Constructor Detail

DoubleDict

DoubleDict

DoubleDict

DoubleDict

DoubleDict

DoubleDict

Method Detail

size

resize

clear

entries

entryIterator

key

keys

keyIterator

keyArray

keyArray

value

values

valueIterator

valueArray

valueArray

get

get

set

setIndex

hasKey

add

sub

mult

div

minIndex

minKey

minValue

maxIndex

maxKey

maxValue

sum

index

remove

removeIndex

swap

sortKeys

sortKeysReverse

sortValues

sortValues

sortValuesReverse

sortValuesReverse

getPercent

copy

print

save

write

toJSON

toString