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Which Language R You Speaking? /r/ as a Language Marker in Tyrolean and Italian Bilinguals
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Multi-aspect local inference for functional data: Analysis of ultrasound tongue profiles
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Abstract:
Motivated by the analysis of a data set of ultrasound tongue profiles, we present multi-aspect interval-wise testing (IWT), i.e., a local nonparametric inferential technique for functional data embedded in Sobolev spaces. Multi-aspect IWT is a nonparametric procedure that tests differences between groups of functional data, jointly taking into account the curves and their derivatives. Multi-aspect IWT provides adjusted multi-aspect -value functions that can be used to select intervals of the domain that are imputable for the rejection of a null hypothesis. As a result, it can impute the rejection of a functional null hypothesis to specific intervals of the domain and to specific orders of differentiation. We show that the multi-aspect -value functions are provided with a control of the family-wise error rate and that they are consistent. We apply multi-aspect IWT to the analysis of a data set of tongue profiles recorded for a study on Tyrolean, a German dialect spoken in South Tyrol. We test differences between five different ways of articulating the uvular /r/: vocalized /r/, approximant, fricative, tap, and trill. Multi-aspect IWT-based comparisons result in an informative and detailed representation of the regions of the tongue where a significant difference occurs.
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Keyword:
Articulatory phonetics; Derivatives; Functional data analysis; Inference; Interval-wise error rate; Settore SECS-S/01 - STATISTICA
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URL: https://doi.org/10.1016/j.jmva.2018.11.006 http://hdl.handle.net/10807/127428
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Ultrafit: A speaker-friendly headset for ultrasound recordings in speech science
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Somewhere over the spectrum: Between singsongy and robotic intonation
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The future of dialects ... : Selected papers from Methods in Dialectology XV ...
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The future of dialects ... : Selected papers from Methods in Dialectology XV ...
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The future of dialects ... : Selected papers from Methods in Dialectology XV ...
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The future of dialects ... : Selected papers from Methods in Dialectology XV ...
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The future of dialects ... : Selected papers from Methods in Dialectology XV ...
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The future of dialects ... : Selected papers from Methods in Dialectology XV ...
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The future of dialects ... : Selected papers from Methods in Dialectology XV ...
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The future of dialects ... : Selected papers from Methods in Dialectology XV ...
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The future of dialects ... : Selected papers from Methods in Dialectology XV ...
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The future of dialects ... : Selected papers from Methods in Dialectology XV ...
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The future of dialects ... : Selected papers from Methods in Dialectology XV ...
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The future of dialects ... : Selected papers from Methods in Dialectology XV ...
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The future of dialects ... : Selected papers from Methods in Dialectology XV ...
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The future of dialects ... : Selected papers from Methods in Dialectology XV ...
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The future of dialects ... : Selected papers from Methods in Dialectology XV ...
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The future of dialects ... : Selected papers from Methods in Dialectology XV ...
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