#Java - Classes that implement #Function interface

CRFLogConditionalObjectiveFunctionNoisyLabel

Class

CRFLogConditionalObjectiveFunctionWithDropout

Class

CRFNonLinearLogConditionalObjectiveFunction

Class

CRFNonLinearSecondOrderLogConditionalObjectiveFunction

Class

edu.stanford.nlp.parser.dvparser

DVParserCostAndGradient

Class

GeneralizedExpectationObjectiveFunction

an I.

Class

edu.stanford.nlp.international.arabic

IBMArabicEscaper

This escaper is intended for use on flat input to be parsed by LexicalizedParser.

Class

edu.stanford.nlp.objectbank

IdentityFunction

An Identity function that returns its argument.

Class

LexicalizedParser

This class provides the top-level API and command-line interface to a set of reasonably good treebank-trained parsers.

Class

LinearGrammarSmoother

Class

LogConditionalEqConstraintFunction

Maximizes the conditional likelihood with a given prior.

Class

LogConditionalObjectiveFunction

Maximizes the conditional likelihood with a given prior.

Class

LogisticObjectiveFunction

Maximizes the conditional likelihood with a given prior.

Class

LowercaseAndAmericanizeFunction

Class

LowercaseFunction

Class

edu.stanford.nlp.ling.tokensregex.MatchedExpression

MatchedExpression.SingleAnnotationExtractor

Function that takes a CoreMap, applies a extraction function to it, to get a value Also contains information on how to construct a final annotation.

Class

edu.stanford.nlp.tagger.maxent

MaxentTagger

The main class for users to run, train, and test the part of speech tagger.

Class

Morphology

Morphology computes the base form of English words, by removing just inflections (not derivational morphology).

Class

edu.stanford.nlp.stats.MultiClassPrecisionRecallExtendedStats

MultiClassPrecisionRecallExtendedStats.StringStringConverter

Class

edu.stanford.nlp.ling.tokensregex.MultiPatternMatcher

MultiPatternMatcher.BasicSequencePatternTrigger

Simple SequencePatternTrigger that looks at each node, and identifies which patterns may potentially match each node, and then aggregates (union)

Class

NERClassifierCombiner

Subclass of ClassifierCombiner that behaves like a NER, by copying the AnswerAnnotation labels to NERAnnotation.

Class

NumberSequenceClassifier

A set of deterministic rules for marking certain entities, to add categories and to correct for failures of statistical NER taggers.

Class

edu.stanford.nlp.objectbank.ObjectBank

ObjectBank.PathToFileFunction

This is handy for having getLineIterator return a collection of files for feeding into another ObjectBank.

Class

edu.stanford.nlp.parser.common

ParserGrammar

An interface for the classes which store the data for a parser.

Class

PTBEscapingProcessor

Produces a new Document of Words in which special characters of the PTB have been properly escaped.

Class

RegexNERSequenceClassifier

A sequence classifier that labels tokens with types based on a simple manual mapping from regular expressions to the types of the entities they are meant to describe.

Class

ResultStoringMonitor

Class

SemiSupervisedLogConditionalObjectiveFunction

Maximizes the conditional likelihood with a given prior.

Class

edu.stanford.nlp.sentiment

SentimentCostAndGradient

Class

edu.stanford.nlp.ling.tokensregex.SequenceMatchResult

SequenceMatchResult.GroupToIntervalFunc

Class

edu.stanford.nlp.ling.tokensregex.SequenceMatchRules

SequenceMatchRules.CoreMapFunctionApplier

Class

edu.stanford.nlp.ling.tokensregex.SequenceMatchRules

SequenceMatchRules.CoreMapToListFunctionApplier

Class

edu.stanford.nlp.ling.tokensregex.SequenceMatchRules

SequenceMatchRules.MultiSequencePatternExtractRule

Class

edu.stanford.nlp.ling.tokensregex.SequenceMatchRules

SequenceMatchRules.SequenceMatchedExpressionExtractor

Class

edu.stanford.nlp.ling.tokensregex.SequenceMatchRules

SequenceMatchRules.SequenceMatchResultExtractor

Class

edu.stanford.nlp.ling.tokensregex.SequenceMatchRules

SequenceMatchRules.SequencePatternExtractRule

Class

edu.stanford.nlp.ling.tokensregex.SequenceMatchRules

SequenceMatchRules.StringMatchedExpressionExtractor

Class

edu.stanford.nlp.ling.tokensregex.SequenceMatchRules

SequenceMatchRules.StringMatchResultExtractor

Class

edu.stanford.nlp.ling.tokensregex.SequenceMatchRules

SequenceMatchRules.StringPatternExtractRule

Class

edu.stanford.nlp.parser.shiftreduce

ShiftReduceParser

A shift-reduce constituency parser.

Class

edu.stanford.nlp.tagger.common

Tagger

This module includes constants that are the same for all taggers, as opposed to being part of their configurations.

Class

edu.stanford.nlp.time.TimeFormatter

TimeFormatter.CustomDateFormatExtractor

Class

edu.stanford.nlp.time.TimeFormatter

TimeFormatter.JavaDateFormatExtractor

Class

edu.stanford.nlp.time.TimeFormatter

TimeFormatter.JodaDateTimeFormatExtractor

Class

edu.stanford.nlp.parser.lexparser.TregexPoweredTreebankParserParams

TregexPoweredTreebankParserParams.AnnotateHeadFunction

Annotate a tree constituent with its lexical head.

Class

edu.stanford.nlp.parser.lexparser.TregexPoweredTreebankParserParams

TregexPoweredTreebankParserParams.SimpleStringFunction

Annotates all nodes that match the tregex query with some string.

Class

edu.stanford.nlp.sequences.TrueCasingForNISTDocumentReaderAndWriter

TrueCasingForNISTDocumentReaderAndWriter.LineToTrueCasesParser

Class

UTF8EquivalenceFunction

Class

edu.stanford.nlp.util

BinaryFunctionFunction

Adapts a BinaryFunction as a Function by sending the same argument to both sides of the BinaryFunction.

Class

org.apache.commons.functor.generator.util

CollectionTransformer

Transforms a generator into a collection.

Class

org.apache.commons.functor.core.composite

CompositeFunction

representing the composition of chaining the output of one to the input

Class

org.apache.commons.functor.core.composite

ConditionalFunction

similiar to Java's ternary or conditional operator (? :).

Class

org.apache.commons.functor.core

Constant

Evaluates to constant value.

Class

DoubleMaxAggregatorFunction

Aggregator function to be used with subclasses of AbstractListBackedAggregator

Class

DoubleMeanValueAggregatorFunction

Aggregator function to be used with subclasses of AbstractListBackedAggregator

Class

DoubleMedianValueAggregatorFunction

Aggregator function to be used with subclasses of AbstractListBackedAggregator

Class

DoublePercentileAggregatorFunction

Aggregator function to be used with subclasses of AbstractListBackedAggregator

Class

DoubleSumAggregatorFunction

Aggregator function to be used with subclasses of AbstractListBackedAggregator

Class

org.apache.commons.functor.core.algorithm

FoldLeft

Functional left-fold algorithm against the elements of a Generator.

Class

org.apache.commons.functor.core.algorithm

FoldRight

Functional right-fold algorithm against the elements of a Generator.

Class

org.apache.commons.functor.core

Identity

Evaluates to its input argument.

Class

org.apache.commons.functor.core.algorithm

InPlaceTransform

Class

IntegerMaxAggregatorFunction

Aggregator function to be used with subclasses of AbstractListBackedAggregator

Class

IntegerMeanValueAggregatorFunction

Aggregator function to be used with subclasses of AbstractListBackedAggregator

Class

IntegerMedianValueAggregatorFunction

Aggregator function to be used with subclasses of AbstractListBackedAggregator

Class

IntegerPercentileAggregatorFunction

Aggregator function to be used with subclasses of AbstractListBackedAggregator

Class

IntegerSumAggregatorFunction

Aggregator function to be used with subclasses of AbstractListBackedAggregator

Class

LeftBoundFunction

using a constant left-side argument.

Class

NullaryFunctionFunction

by ignoring the unary argument.

Class

PredicateFunction

Function interface.

Class

ProcedureFunction

by always returning null.

Class

RightBoundFunction

using a constant right-side argument.

Class

org.apache.commons.functor.core.collection

Size

Returns the size of the specified Collection, or the length of the specified array or String.

Class

org.apache.commons.jxpath.functions

ConstructorFunction

An extension function that creates an instance using a constructor.

Class

org.apache.commons.jxpath.functions

MethodFunction

An XPath extension function implemented as an individual Java method.

Class

AbstractLoadingCache

This class provides a skeletal implementation of the Cache interface to minimize the effort required to implement this interface.

Class

com.google.common.cache

Converter

A function from A to B with an associated reverse function from B to A; used for converting back and forth between different representations of the same

Class

com.google.common.base

ForwardingLoadingCache

A cache which forwards all its method calls to another cache.

Class

com.google.common.cache

com.google.common.cache.ForwardingLoadingCache

ForwardingLoadingCache.SimpleForwardingLoadingCache

A simplified version of ForwardingLoadingCache where subclasses can pass in an already constructed LoadingCache as the delegete.

Class

opennlp.tools.ml.maxent.quasinewton

NegLogLikelihood

Evaluate negative log-likelihood and its gradient from DataIndexer.

Class

Natural Language Processing (OpenNLP)

opennlp.tools.ml.maxent.quasinewton

ParallelNegLogLikelihood

Class

Natural Language Processing (OpenNLP)

opennlp.tools.ml.maxent.quasinewton.QNMinimizer

QNMinimizer.L2RegFunction

Class

Natural Language Processing (OpenNLP)

Address

Creates a text reference as text, given specified row and column numbers.

Class

AggregateFunction

Class

Bin2Dec

Syntax: Bin2Dec (number) Converts a binary number to decimal.

Class

BooleanFunction

Here are the general rules concerning Boolean functions: Blanks are ignored (not either true or false) Strings are ignored if part of an area ref or cell ref, otherwise they must be 'true' or 'false' Numbers: 0 is false.

Class

CalendarFieldFunction

Date - DAY, MONTH and YEAR Time - HOUR, MINUTE and SECOND

Class

Choose

Class

Code

Syntax: CODE (text ) Returns a numeric code for the first character in a text string.

Class

Column

Class

Columns

Class

Complex

Syntax: COMPLEX (real_num,i_num,suffix ) Converts real and imaginary coefficients into a complex number of the form x + yi or x + yj.

Class

ConcatEval

Class

Count

Counts the number of cells that contain numeric data within the list of arguments.

Class

Counta

Counts the number of cells that contain data within the list of arguments.

Class

Countblank

Class

Countif

Class

DateFunc

Class

Days360

Calculates the number of days between two dates based on a 360-day year (twelve 30-day months), which is used in some accounting calculations.

Class

Dec2Bin

Syntax: Bin2Dec (number,[places] ) Converts a decimal number to binary.

Class

Dec2Hex

Syntax: DEC2HEX (number,places ) Converts a decimal number to hexadecimal.

Class

Delta

Syntax: DELTA (number1,number2 ) Tests whether two values are equal.

Class

DStarRunner

This class performs a D* calculation.

Class

Errortype

ERROR.

Class

Even

Class

FactDouble

Syntax: FACTDOUBLE (number) Returns the double factorial of a number.

Class

FinanceFunction

Class

Fixed

Class

Fixed0ArgFunction

Convenience base class for functions that only take zero arguments.

Class

Fixed1ArgFunction

Convenience base class for functions that must take exactly one argument.

Class

Fixed2ArgFunction

Convenience base class for functions that must take exactly two arguments.

Class

Fixed3ArgFunction

Convenience base class for functions that must take exactly three arguments.

Class

Fixed4ArgFunction

Convenience base class for functions that must take exactly four arguments.

Class

Hex2Dec

Syntax: HEX2DEC (number) Converts a hexadecimal number to decimal.

Class

Hlookup

HLOOKUP finds a column in a lookup table by the first row value and returns the value from another row.

Class

Hyperlink

In Excel this function has special behaviour - it causes the displayed cell value to behave like a hyperlink in the GUI.

Class

IfFunc

Note that Excel is a bit picky about the arguments to this function, when serialised into Ptgs in a HSSF file.

Class

Imaginary

Syntax: IMAGINARY (Inumber) Returns the imaginary coefficient of a complex number in x + yi or x + yj text format.

Class

ImReal

Syntax: ImReal (Inumber) Returns the real coefficient of a complex number in x + yi or x + yj text format.

Class

Index

INDEX ( reference, row_num[, column_num [, area_num]]) INDEX ( array, row_num[, column_num])

Class

Intercept

Calculates the INTERCEPT of the linear regression line that is used to predict y values from x values (http://introcs.

Class

IntersectionEval

Class

IPMT

Class

Irr

Calculates the internal rate of return.

Class

LinearRegressionFunction

Base class for linear regression functions.

Class

LogicalFunction

take a single expression argument, and return True or False.

Class

Lookup

LOOKUP finds an index row in a lookup table by the first column value and returns the value from another column.

Class

Match

MATCH(lookup_value, lookup_array, match_type) Returns a 1-based index specifying at what position in the lookup_array the specified

Class

MinaMaxa

Class

Mirr

Calculates Modified internal rate of return.

Class

Mode

Class

MultiOperandNumericFunction

This is the super class for all excel function evaluator classes that take variable number of operands, and

Class

Class

NotImplementedFunction

This is the default implementation of a Function class.

Class

Now

Class

Npv

Calculates the net present value of an investment by using a discount rate and a series of future payments (negative values) and income (positive

Class

NumericFunction

Class

org.apache.poi.ss.formula.functions.NumericFunction

NumericFunction.OneArg

Class

org.apache.poi.ss.formula.functions.NumericFunction

NumericFunction.TwoArg

Class

Oct2Dec

Converts an octal number to decimal.

Class

Odd

Class

Offset

OFFSET returns an area reference that is a specified number of rows and columns from a reference cell or area.

Class

PercentEval

Class

PPMT

Compute the interest portion of a payment.

Class

Quotient

Syntax: QUOTIENT(Numerator,Denominator) Numerator is the dividend.

Class

RangeEval

Class

Rank

Returns the rank of a number in a list of numbers.

Class

Rate

Class

RelationalOperationEval

Base class for all comparison operator evaluatorsAuthor:Amol S.

Class

Replace

An implementation of the Excel REPLACE() function: Replaces part of a text string based on the number of characters

Class

Rept

Syntax: REPT (text,number_times ) Repeats text a given number of times.

Class

Roman

Syntax: WeekNum (Serial_num,Return_type) Returns a number that indicates where the week falls numerically within a year.

Class

RowFunc

Class

Rows

Class

Slope

Calculates the SLOPE of the linear regression line that is used to predict y values from x values (http://introcs.

Class

Substitute

An implementation of the SUBSTITUTE function: Substitutes text in a text string with new text, some number of times.

Class

Subtotal

SUBTOTAL ( functionCode, ref1, ref2 .

Class

Sumif

SUMIF ( range, criteria, sum_range ) rangeThe range over which criteria is applied.

Class

Sumproduct

SUMPRODUCT ( array1[, array2[, array3[, .

Class

Sumx2my2

Calculates the sum of differences of squares in two arrays of the same size.

Class

Sumx2py2

Calculates the sum of squares in two arrays of the same size.

Class

Sumxmy2

Calculates the sum of squares of differences between two arrays of the same size.

Class

If the argument is a text or error value it is returned unmodified.

Class

TextFunction

Class

TimeFunc

Class

Today

Class

TwoOperandNumericOperation

Class

UnaryMinusEval

Class

UnaryPlusEval

Class

Value

Syntax: VALUE(text) Converts the text argument to a number.

Class

Vlookup

VLOOKUP finds a row in a lookup table by the first column value and returns the value from another column.

Class

WeekdayFunc

Class

WeekNum

Syntax: WeekNum (Serial_num,Return_type) Returns a number that indicates where the week falls numerically within a year.

Class

XYNumericFunction

Class

AsyncOnSubscribe

A utility class to create OnSubscribe functions that respond correctly to back pressure requests from subscribers.

Class

rx.observables

RxJava

SyncOnSubscribe

A utility class to create OnSubscribe functions that respond correctly to back pressure requests from subscribers.

Class

rx.observables

RxJava

AbstractCachingDiffFunction

Class

AbstractSequenceClassifier

This class provides common functionality for (probabilistic) sequence models.

Class

AbstractStochasticCachingDiffFunction

Class

AbstractStochasticCachingDiffUpdateFunction

Function for stochastic calculations that does update in place (instead of maintaining and returning the derivative).

Class

edu.stanford.nlp.parser.lexparser.AbstractTreebankParserParams

AbstractTreebankParserParams.AnnotatePunctuationFunction

Annotation function for mapping punctuation to PTB-style equivalence classes.

Class

AdaptedGaussianPriorObjectiveFunction

Adapt the mean of the Gaussian Prior by shifting the mean to the previously trained weightsAuthor:Pi-Chuan Chang, Sarah Spikes (sdspikes@cs.

Class

Americanize

Takes a HasWord or String and returns an Americanized version of it.

Class

AmericanizeFunction

Class

BasicCategoryTreeTransformer

Transforms trees by turning the labels into their basic categories TreebankLanguagePack

Class

edu.stanford.nlp.trees

BiasedLogConditionalObjectiveFunction

Maximizes the conditional likelihood with a given prior.

Class

BiasedLogisticObjectiveFunction

Class

edu.stanford.nlp.international.arabic

Buckwalter

This class can convert between Unicode and Buckwalter encodings of "MORPHOLOGICAL ANALYSIS & POS ANNOTATION," v3.

Class

edu.stanford.nlp.trees.international.pennchinese

ChineseEscaper

An Escaper for Chinese normalization to match Treebank.

Class

ClassifierCombiner

Merges the outputs of two or more AbstractSequenceClassifiers according to a simple precedence scheme: any given base classifier contributes only

Class

CMMClassifier

Does Sequence Classification using a Conditional Markov Model.

Class

edu.stanford.nlp.ie.ner

edu.stanford.nlp.pipeline

CoreMapAggregator

Class

edu.stanford.nlp.ling.tokensregex

CoreMapNodePatternTrigger

Trigger for CoreMap Node Patterns.

Class

CRFBiasedClassifier

CRFBiasedClassifier is used to adjust the precision-recall tradeoff of any CRF model implemented using CRFClassifier.

Class

CRFClassifier

Class for sequence classification using a Conditional Random Field model.

Class

CRFClassifierFloat

Class

CRFClassifierNoisyLabel

Class

CRFClassifierNonlinear

Subclass of CRFClassifier for implementing the nonlinear architecture in [Wang and Manning IJCNLP-2013 Effect of Nonlinear .

Class

CRFClassifierWithDropout

Subclass of CRFClassifier that performs dropout feature-noising training.

Class

CRFClassifierWithLOP

Subclass of CRFClassifier for learning Logarithmic Opinion Pools.

Class

CRFLogConditionalObjectiveFunction

Class

CRFLogConditionalObjectiveFunctionForLOP

TODO(mengqiu) currently only works with disjoint feature sets for non-disjoint feature sets, need to recompute EHat each iteration, and multiply in the scale

Class

CRFLogConditionalObjectiveFunctionNoisyLabel

Class

CRFLogConditionalObjectiveFunctionWithDropout

Class

CRFNonLinearLogConditionalObjectiveFunction

Class

CRFNonLinearSecondOrderLogConditionalObjectiveFunction

Class

edu.stanford.nlp.parser.dvparser

DVParserCostAndGradient

Class

GeneralizedExpectationObjectiveFunction

an I.

Class

edu.stanford.nlp.international.arabic

IBMArabicEscaper

This escaper is intended for use on flat input to be parsed by LexicalizedParser.

Class

edu.stanford.nlp.objectbank

IdentityFunction

An Identity function that returns its argument.

Class

LexicalizedParser

This class provides the top-level API and command-line interface to a set of reasonably good treebank-trained parsers.

Class

LinearGrammarSmoother

Class

LogConditionalEqConstraintFunction

Maximizes the conditional likelihood with a given prior.

Class

LogConditionalObjectiveFunction

Maximizes the conditional likelihood with a given prior.

Class

LogisticObjectiveFunction

Maximizes the conditional likelihood with a given prior.

Class

LowercaseAndAmericanizeFunction

Class

LowercaseFunction

Class

edu.stanford.nlp.ling.tokensregex.MatchedExpression

MatchedExpression.SingleAnnotationExtractor

Function that takes a CoreMap, applies a extraction function to it, to get a value Also contains information on how to construct a final annotation.

Class

edu.stanford.nlp.tagger.maxent

MaxentTagger

The main class for users to run, train, and test the part of speech tagger.

Class

Morphology

Morphology computes the base form of English words, by removing just inflections (not derivational morphology).

Class

edu.stanford.nlp.stats.MultiClassPrecisionRecallExtendedStats

MultiClassPrecisionRecallExtendedStats.StringStringConverter

Class

edu.stanford.nlp.ling.tokensregex.MultiPatternMatcher

MultiPatternMatcher.BasicSequencePatternTrigger

Simple SequencePatternTrigger that looks at each node, and identifies which patterns may potentially match each node, and then aggregates (union)

Class

NERClassifierCombiner

Subclass of ClassifierCombiner that behaves like a NER, by copying the AnswerAnnotation labels to NERAnnotation.

Class

NumberSequenceClassifier

A set of deterministic rules for marking certain entities, to add categories and to correct for failures of statistical NER taggers.

Class

edu.stanford.nlp.objectbank.ObjectBank

ObjectBank.PathToFileFunction

This is handy for having getLineIterator return a collection of files for feeding into another ObjectBank.

Class

edu.stanford.nlp.parser.common

ParserGrammar

An interface for the classes which store the data for a parser.

Class

PTBEscapingProcessor

Produces a new Document of Words in which special characters of the PTB have been properly escaped.

Class

RegexNERSequenceClassifier

A sequence classifier that labels tokens with types based on a simple manual mapping from regular expressions to the types of the entities they are meant to describe.

Class

ResultStoringMonitor

Class