General improvements

Grapheme-phoneme conversion has been significantly improved for Spanish. In addition, two new functions have been added:

• monthsAge(): Calculates age in months based on yy;mm format, commonly used in language acquisition studies
• meanAge(): Calculates mean age based on yy;mm format, commonly used in language acquisition studies. NAs are ignored

Documentation and vignette have been updated accordingly.

v 0.8.5

Fonology 0.8.5

• getFeat() and getPhon() to work with distinctive features
• ipa() phonemically transcribes words (real or not) in Portuguese or Spanish
• syllable() to extract syllabic constituents
• sonDisp() calculates the sonority dispersion of a given demisyllable or the average dispersion for a set of words—see also meanSonDisp() for the average dispersion of a given word
• wug_pt() generates hypothetical words in Portuguese
• biGram_pt() calculates bigram probabilities for a given word
• plotVowels() generates vowel trapezoids
• plotSon() plots the sonority profile of a given word
• ipa2tipa() translates IPA sequences into tipa sequences
• psl contains the Portuguese Stress Lexicon
• pt_lex contains a simplified version of psl
• stopwords_pt and stopwords_sp contain stopwords in Portuguese and Spanish

Several corrections have been made to transcriptions in Portuguese and Spanish, and different functions have been added to analyze sonority. See gdgarcia.ca/fonology for more information.