These linguistic features included the total number of characters, the number of numerals, the number of punctuation marks, the number of personal pronouns, the number of sentiment words, the number of cognitive words, the number of perceptual processing words and so on.
The reason for using naive statistical features such as the number of punctuation marks is motivated by the fact that authors normally conceive their abstracts according to accepted rules that govern writing styles for quantitative research in most medical journals.
The keyboard features a number of great punctuation-based emoticons, which are certainly something different and all of your friends regardless of smartphone or not should be able to see these.
"Like telling Michelangelo: 'David's hands are too big.' " Yet the California-based Pastis suggested minor tweaks to fit the tone and idiosyncrasies of his strip — including the number of "grawlix," or punctuation characters that represent cartoon profanity, he uses to match the number of letters in his curse words.
As he went along, the communications researcher counted the number of letters, numbers, punctuation marks and spaces on the page.
Syntactic features try to "represent the writing style of the reviewer" and include features like the amount of punctuation or number of function words such as "a", "the", and "of".
He tried to get rid of vagueness and reference to E, the set of finitely definable reals in the unit interval, by fixing an explicit "Gödel-numbering": given a natural number n, write n in base B, for sufficiently large B (so as to include the number of alphabet letters plus punctuation marks).
Before classification, a number of term transformation steps were taken: lower case transformation, removal of numbers, removal of stop words, removal of punctuation, word stemming, synonym consolidation using the WordNet database [ 26], and white space removal.
The previous system, with domain names composed of numbers, punctuation marks and Latin letters without accents, promoted standardization, wrangling into consistency and simplicity one small part of the Internet.
In addition to lexical features, we extracted a set of syntactic and stylistic markers from tweets including emoticons, elongated words, capitalization, repeated punctuation, and number of hashtags and took into account clause-level negation [34].
Hashtags can contain numbers and letters, but do not support the use of punctuation such as commas, exclamation points, asterisks, etc.[2].
