Uses of Class
com.pervasive.datarush.analytics.text.NGram

Packages that use NGram

Package	Description
com.pervasive.datarush.analytics.text	Provides various unstructured text processing operators.

Uses of NGram in com.pervasive.datarush.analytics.text

Fields in com.pervasive.datarush.analytics.text with type parameters of type NGram

Modifier and Type	Field and Description
protected TreeMap<NGram,Integer>	NGramMap.map

Methods in com.pervasive.datarush.analytics.text that return types with arguments of type NGram

Modifier and Type	Method and Description
static List<NGram>	TextTokenUtil.generateNGramList(TextContainer text, int n) Lists the unique n-grams contained in the TextContainer.
Map<NGram,Integer>	NGramMap.getMap() Get a copy of the map that backs this object.
List<NGram>	NGramMap.getNGramList() Get an ordered list of the n-grams contained in the map.
Iterator<Map.Entry<NGram,Integer>>	NGramMap.iterator() Get an iterator over the entries in the map.

Methods in com.pervasive.datarush.analytics.text with parameters of type NGram

Modifier and Type	Method and Description
int	NGram.compareTo(NGram o)
boolean	NGramMap.decreaseFreq(NGram nGram) Removes an n-gram from the map or decrease the frequency if the absolute frequency is greater than one.
int	NGramMap.getFrequency(NGram ngram) Get the absolute frequency of an NGram in the map.
double	NGramMap.getProbability(NGram ngram) Get the relative frequency of an n-gram in the map.
boolean	NGramMap.increaseFreq(NGram nGram) Adds an n-gram to the map or increases the frequency if it is already present.
int	NGramMap.removeNGram(NGram nGram) Removes an n-gram from the map.

Method parameters in com.pervasive.datarush.analytics.text with type arguments of type NGram

Modifier and Type	Method and Description
static NGramMap	TextTokenUtil.calcNGramFreq(TextContainer text, int n, Set<NGram> nGramSet) Creates an n-gram frequency model containing the specified set of terms based on the contents of the TextContainer.

Constructor parameters in com.pervasive.datarush.analytics.text with type arguments of type NGram

Constructor and Description
NGramMap(int n, Map<NGram,Integer> map) Create an n-gram to frequency map.
NGramMap(int n, Map<NGram,Integer> map, int textSize) Create an n-gram to frequency map.