Joshua Wilson Black, James Brand, Jen Hay, Lynn Clark
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引用次数: 2
Abstract
This paper presents a methodology for exploring systematic co-variation of vowels using Principal Component Analysis (PCA). As a case study, we examine and build on Brand et al.'s (2021) study of systematic co-variation amongst the monophthongs of New Zealand English (NZE) across speakers born over a 118-year time period. We present PCA as a methodology, with information aimed at readers who may themselves want to use it in a related context. We consider tests for the appropriateness of PCA, how to select Principal Components, and how to interpret them once they have been found. At each stage, we provide code in the R programing language to enable readers to both follow our analysis and apply the same methods to their own data.
期刊介绍：
Unique in its range, Language and Linguistics Compass is an online-only journal publishing original, peer-reviewed surveys of current research from across the entire discipline. Language and Linguistics Compass publishes state-of-the-art reviews, supported by a comprehensive bibliography and accessible to an international readership. Language and Linguistics Compass is aimed at senior undergraduates, postgraduates and academics, and will provide a unique reference tool for researching essays, preparing lectures, writing a research proposal, or just keeping up with new developments in a specific area of interest.
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