API Documentation: Natural Language Toolkit

A brief description of every exported name in every library of the nltk namespace of r7rs-libs.

(nltk dfsa)

[procedure] reverse-transitions

Definition: ()
Description: TODO

[procedure] state-symbol

Definition: ()
Description: TODO

[procedure] dfsa-accept?

Definition: ()
Description: TODO

[procedure] dfsa-has-transitions?

Definition: ()
Description: TODO

[procedure] dfsa-transitions-count

Definition: ()
Description: TODO

[procedure] dfsa-states-count

Definition: ()
Description: TODO

[procedure] dfsa-final-states-count

Definition: ()
Description: TODO

[procedure] dfsa-is-final-state?

Definition: ()
Description: TODO

[procedure] dfsa?

Definition: ()
Description: TODO

[procedure] make-dfsa

Definition: ()
Description: TODO

[procedure] dfsa-finalstates

Definition: ()
Description: TODO

[procedure] dfsa-finalstates-set!

Definition: ()
Description: TODO

[procedure] dfsa-alphabet

Definition: ()
Description: TODO

[procedure] dfsa-alphabet-set!

Definition: ()
Description: TODO

[procedure] dfsa-states

Definition: ()
Description: TODO

[procedure] dfsa-states-set!

Definition: ()
Description: TODO

[procedure] dfsa-transitions

Definition: ()
Description: TODO

[procedure] dfsa-transitions-set!

Definition: ()
Description: TODO

[procedure] dfsa-startstate

Definition: ()
Description: TODO

[procedure] dfsa-startstate-set!

Definition: ()
Description: TODO

[procedure] dfsa→dot

Definition: ()
Description: TODO

[procedure] dfsa-add-state!

Definition: ()
Description: TODO

[procedure] dfsa-set-finalstate!

Definition: ()
Description: TODO

[procedure] dfsa-add-symbol!

Definition: ()
Description: TODO

[procedure] dfsa-add-transition!

Definition: ()
Description: TODO

[procedure] dfsa-get-transition

Definition: ()
Description: TODO

[procedure] dfsa-all-transitions

Definition: ()
Description: TODO

[procedure] sequence→dfsa

Definition: ()
Description: TODO

[procedure] sequence-list→dfsa

Definition: ()
Description: TODO

[procedure] dfsa-minimize!

Definition: ()
Description: TODO

[procedure] dfsa-union

Definition: ()
Description: TODO

[procedure] dfsa-concatenate

Definition: ()
Description: TODO

(nltk lang-en)

[contant] stopwords-list-en

Definition: stopwords-list-en
Description: List of English stopwords.

[constant] stopwords-hash-en

Definition: stopwords-hash-en
Description: Hash-table representation of English stopwords.

(nltk lang-hr)

[constant] stopwords-list-hr

Definition: stopwords-list-hr
Description: List of Croatian stopwords.

[constant] stopwords-hash-hr

Definition: stopwords-hash-hr
Description: Hash-table representation of Croatian stopwords.

(nltk n-grams)

[procedure] filter-ngrams

Definition: ()
Description: TODO

[procedure] filter-ngrams!

Definition: ()
Description: TODO

[procedure] filter-ngrams-counts

Definition: ()
Description: TODO

[procedure] filter-ngrams-counts!

Definition: ()
Description: TODO

[procedure] frequency-profile

Definition: ()
Description: TODO

[procedure] frequency-profile-decreasing

Definition: ()
Description: TODO

[procedure] frequency-profile-increasing

Definition: ()
Description: TODO

[procedure] ngrams→bigrams

Definition: ()
Description: TODO

[procedure] ngrams→dot

Definition: ()
Description: TODO

[procedure] ngrams→dot-digraph

Definition: ()
Description: TODO

[procedure] ngrams→dot-graph

Definition: ()
Description: TODO

[procedure] ngrams→html-table

Definition: ()
Description: TODO

[procedure] ngrams-sort

Definition: ()
Description: TODO

[procedure] relativize-ngrams

Definition: ()
Description: TODO

[procedure] relativize-ngrams!

Definition: ()
Description: TODO

[procedure] token-sequence→ngrams

Definition: ()
Description: TODO

[procedure] ngram-counts

Definition: ()
Description: TODO

(nltk sequence)

[procedure] sequence→permutations-list

Definition: ()
Description: TODO

[procedure] sequence→permutations-vector

Definition: ()
Description: TODO

[procedure] enum-list

Definition: ()
Description: TODO

[procedure] enum-vector

Definition: ()
Description: TODO

[procedure] sequence→hashtable

Definition: ()
Description: TODO

[procedure] remove-duplicates

Definition: ()
Description: TODO

[procedure] sequence→list

Definition: ()
Description: TODO

[procedure] str-split

Definition: ()
Description: TODO

(nltk vectorspace)

[procedure] make-vs

Definition: (make-vs)
Description: Returns a newly created vector space instance.

[procedure] vs?

Definition

(vs? obj)

Description

obj - any value

Returns #t if obj is an instance of a vector space, or #f otherwise.

[procedure] vs-columnlabels

Definition

(vs-columnlabels vs)

Description

vs - a vector space instance

Returns the column labels of given vector space.

[procedure] vs-columnlabels-set!

Definition

(vs-columnlabels-set! vs obj)

Description

vs - a vector space instance
obj - a set of column labels

Updates the column labels in given vector space to the value of obj.

[procedure] vs-rowlabels

Definition

(vs-rowlabels vs)

Description

vs - a vector space instance

Returns the row labels of given vector space.

[procedure] vs-rowlabels-set!

Definition

(vs-rowlabels-set! vs obj)

Description

vs - a vector space instance
obj - a set of row labels

Updates the row labels in given vector space to the value of obj.

[procedure] vs-cells

Definition

(vs-cells vs)

Description

vs - a vector space instance

Returns the cells of given vector space.

[procedure] vs-cells-set!

Definition

(vs-cells-set! vs obj)

Description

vs - a vector space instance
obj - a set of cell values

Updates the cells in given vector space to the value of obj.

[procedure] relativize-vectorspace

Definition

(relativize-vectorspace vs)

Description

vs - a vector space instance

Divides each element in the vector space by the total value.

[procedure] euclidean-distance

Definition

(euclidean-distance s1 s2)

Description

s1 - a sequence of numbers
s2 - a second sequence of numbers

Returns the Euclidean distance between the two sequences.

[procedure] dot-product

Definition

(dot-product s1 s2)

Description

s1 - a sequence of numbers
s2 - a second sequence of numbers

Returns the dot product of the two sequences.

[procedure] vector-magnitude

Definition

(vector-magnitude s)

Description

s - a sequence of numbers

Returns the vector magnitude of given sequence.

[procedure] cosine-similarity

Definition

(cosine-similarity s1 s2)

Description

s1 - a sequence of numbers
s2 - a second sequence of numbers

Returns the cosine similarity between the two sequences.

[procedure] vectorspace→centroid

Definition

(vectorspace→centroid vs)

Description

vs - a vector space instance

Returns the centroid of given vector space.

[procedure] ngrams→vectorspace

Definition

(ngrams→vectorspace ngram-models)

Description

ngram-models - list of ngram models, each model being a hash-table of ngrams→counts

Returns a list of vectors, each vector showing the count of ngrams in that ngram-model.