“…The importance of these factors is determined with the help of multiple regression modeling of data extracted from speech corpora. Koesling, Kunter, Baayen, and Plag (2012) used multivariate analysis to study the pitch contours of English tri-constituent compounds, with as predictors not only time and compound structure, but also speaker, word, a word's frequency of occurrence, and the speaker's sex. In morphology, the choice between two rival affixes can depend on a wide range of factors, as shown for various Russian affix pairs by Janda et al (2012).…”