Module: VaderSentimentRuby::Constants

Defined in:

lib/vader_sentiment_ruby/constants.rb

Constant Summary

B_INCR =

empirically derived mean sentiment intensity rating increase for booster words

0.293

B_DECR =

-0.293
# empirically derived mean sentiment intensity rating increase for using ALLCAPs to emphasize a word

C_INCR =

empirically derived mean sentiment intensity rating increase for using ALLCAPs to emphasize a word

0.733

N_SCALAR =

-0.74

NEGATE =

%w[aint arent cannot cant couldnt darent didnt doesnt ain't aren't can't couldn't daren't didn't doesn't
dont hadnt hasnt havent isnt mightnt mustnt neither don't hadn't hasn't haven't isn't mightn't mustn't
neednt needn't never none nope nor not nothing nowhere oughtnt shant shouldnt uhuh wasnt werent oughtn't
shan't shouldn't uh-uh wasn't weren't without wont wouldnt won't wouldn't rarely seldom despite].freeze

BOOSTER_DICT =

booster/dampener ‘intensifiers’ or ‘degree adverbs’ en.wiktionary.org/wiki/Category:English_degree_adverbs

{
  'absolutely' => B_INCR,
  'amazingly' => B_INCR,
  'awfully' => B_INCR,
  'completely' => B_INCR,
  'considerable' => B_INCR,
  'considerably' => B_INCR,
  'decidedly' => B_INCR,
  'deeply' => B_INCR,
  'effing' => B_INCR,
  'enormous' => B_INCR,
  'enormously' => B_INCR,
  'entirely' => B_INCR,
  'especially' => B_INCR,
  'exceptional' => B_INCR,
  'exceptionally' => B_INCR,
  'extreme' => B_INCR,
  'extremely' => B_INCR,
  'fabulously' => B_INCR,
  'flipping' => B_INCR,
  'flippin' => B_INCR,
  'frackin' => B_INCR,
  'fracking' => B_INCR,
  'fricking' => B_INCR,
  'frickin' => B_INCR,
  'frigging' => B_INCR,
  'friggin' => B_INCR,
  'fully' => B_INCR,
  'fuckin' => B_INCR,
  'fucking' => B_INCR,
  'fuggin' => B_INCR,
  'fugging' => B_INCR,
  'greatly' => B_INCR,
  'hella' => B_INCR,
  'highly' => B_INCR,
  'hugely' => B_INCR,
  'incredible' => B_INCR,
  'incredibly' => B_INCR,
  'intensely' => B_INCR,
  'major' => B_INCR,
  'majorly' => B_INCR,
  'more' => B_INCR,
  'most' => B_INCR,
  'particularly' => B_INCR,
  'purely' => B_INCR,
  'quite' => B_INCR,
  'really' => B_INCR,
  'remarkably' => B_INCR,
  'so' => B_INCR,
  'substantially' => B_INCR,
  'thoroughly' => B_INCR,
  'total' => B_INCR,
  'totally' => B_INCR,
  'tremendous' => B_INCR,
  'tremendously' => B_INCR,
  'uber' => B_INCR,
  'unbelievably' => B_INCR,
  'unusually' => B_INCR,
  'utter' => B_INCR,
  'utterly' => B_INCR,
  'very' => B_INCR,
  'almost' => B_DECR,
  'barely' => B_DECR,
  'hardly' => B_DECR,
  'just enough' => B_DECR,
  'kind of' => B_DECR,
  'kinda' => B_DECR,
  'kindof' => B_DECR,
  'kind-of' => B_DECR,
  'less' => B_DECR,
  'little' => B_DECR,
  'marginal' => B_DECR,
  'marginally' => B_DECR,
  'occasional' => B_DECR,
  'occasionally' => B_DECR,
  'partly' => B_DECR,
  'scarce' => B_DECR,
  'scarcely' => B_DECR,
  'slight' => B_DECR,
  'slightly' => B_DECR,
  'somewhat' => B_DECR,
  'sort of' => B_DECR,
  'sorta' => B_DECR,
  'sortof' => B_DECR,
  'sort-of' => B_DECR
}.freeze

SENTIMENT_LADEN_IDIOMS =

check for sentiment laden idioms that do not contain lexicon words (future work, not yet implemented)

{
  'cut the mustard' => 2,
  'hand to mouth' => -2,
  'back handed' => -2,
  'blow smoke' => -2,
  'blowing smoke' => -2,
  'upper hand' => 1,
  'break a leg' => 2,
  'cooking with gas' => 2,
  'in the black' => 2,
  'in the red' => -2,
  'on the ball' => 2,
  'under the weather' => -2
}.freeze

SPECIAL_CASES =

check for special case idioms and phrases containing lexicon words

{
  'the shit' => 3,
  'the bomb' => 3,
  'bad ass' => 1.5,
  'badass' => 1.5,
  'bus stop' => 0.0,
  'yeah right' => -2,
  'kiss of death' => -1.5,
  'to die for' => 3,
  'beating heart' => 3.1,
  'broken heart' => -2.9
}.freeze