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LinguisticFeatures

I change here!

This is a python package for calculation of various linguistic features for quantitative/corpus linguistics study. It includes two modules:

  • quita.py: Linguistic features listed by software Quantitative Index Text Analyzer (QUITA)
  • biber.py: Linguistic features listed by Douglas Biber in Variation across Speech and Writing (1995)

QUITA Features

Quantitative Index Text Analyzer (QUITA) lists the folowing features:

Frequency Structure indicators:

  • Type-Token Ratio (TTR)
  • h-point (h)
  • Vocabulary Richness (R1)
  • Repeat Rate (RR)
  • Relative Repeat Rate of McIntosh (RRmc)
  • Hapax Legomenon Percentage (HL)
  • Lambda (Λ)
  • Gini Coefficient (G)
  • Vocabulary Richness (R4)
  • Curve length (L)
  • Curve length Indicator (R)
  • Entropy (H)
  • Adjusted Modulus (A)

Miscellaneous indicators

  • Verb Distances (VD)
  • Activity (Q)
  • Descriptivity (D)
  • Writer’s View (α)
  • Average Tokens length (ATL)
  • Thematic Concentration (TC)
  • Secondary Thematic Concentration (STC)

Biber Features

Biber listed the following 67 linguistic features:

(A) TENSE AND ASPECT MARKERS

A01: past tense
A02: perfect aspect
A03: present tense

(B) PLACE AND TIME ADVERBIALS

B04: place adverbials
B05: time adverbials

(C) PRONOUNS AND PRO-VERBS

(C1) PERSONAL PRONOUNS

    C06: first person pronouns
    C07: second person pronouns
    C08: third person personal pronouns
    
(C2) IMPERSONAL PRONOUNS

    C09: pronoun "it"
    C10: demonstrative pronouns
    C11: indefinite pronouns
    
(C3) PRO-VERBS

    C12: pro-verb do

(D) QUESTIONS

D13: direct WH-questions

(E) NOMINAL FORMS

E14: nominalizations
E15: gerunds
E16: total other nouns

(F) PASSIVES

F17: agentless passives
F18: by-passives

(G) STATIVE FORMS

G19: "be" as main verb
G20: existential there

(H) SUBORDINATION

(H1) COMPLEMENTATION

    H21: "that" verb complements
    H22: "that" adjective complements
    H23: WH-clauses
    H24: infinitives
    
(H2) PARTICIPIAL FORMS

    H25: present participial clauses
    H26: past participial clauses
    H27: past participial WHIZ deletion relatives
    H28: present participial WHIZ deletion relatives
    
(H3) RELATIVES

    H29: that relative clauses on subject position
    H30: that relative clauses on object position
    H31: WH relative clauses on subject position
    H32: WH relative clauses on object positions
    H33: pied-piping relative clauses
    H34: sentence relatives
    
(H4) ADVERBIAL CLAUSES

    H35: causative adverbial subordinators: because
    H36: concessive adverbial subordinators: although, though
    H37: conditional adverbial subordinators: if, unless
    H38: other adverbial subordinators: (having multiple functions)

(I) PREPOSITIONAL PHRASES

(I1) PREPOSITIONAL PHRASES

    I39: total prepositional phrases
    
(I2) ADJECTIVES AND ADVERBS

    I40: attributive adjectives
    I41: predicative adjectives
    I42: total adverbs

(J) LEXICAL SPECIFICITY

J43: type/token ratio
J44: word length

(K) LEXICAL CLASSES

K45: conjuncts
K46: downtoners
K47: hedges
K48: amplifiers
K49: emphatics
K50: discourse particles
K51: demonstratives

(L) MODALS

L52: possibility modals
L53: necessity modals
L54: predictive modals

(M) SPECIALIZED VERB CLASSES

M55: public verbs
M56: private verbs
M57: suasive verbs
M58: seem/appear

(N) REDUCED FORMS AND DISPREFERRED STRUCTURES

N59: contractions
N60: subordinator-that deletion
N61: stranded prepositions
N62: split infinitives
N63: split auxiliaries

(O) COORDINATION

O64: phrasal coordination
O65: independent clause coordination

(P) NEGATION

P66: synthetic negation
P67: analytic negation: not

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