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Skewed Boundary Con...
Skewed Boundary Confidence Ellipses for Anthropometric Data
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- Brolin, Erik, 1984- (author)
- Högskolan i Skövde,Institutionen för ingenjörsvetenskap,Forskningsmiljön Virtuell produkt- och produktionsutveckling,User Centred Product Design (UCPD)
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- Högberg, Dan, 1965- (author)
- Högskolan i Skövde,Institutionen för ingenjörsvetenskap,Forskningsmiljön Virtuell produkt- och produktionsutveckling,User Centred Product Design (UCPD)
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- Hanson, Lars (author)
- Högskolan i Skövde,Institutionen för ingenjörsvetenskap,Forskningsmiljön Virtuell produkt- och produktionsutveckling,Scania CV, Södertälje, Sweden,User Centred Product Design (UCPD)
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(creator_code:org_t)
- Amsterdam : IOS Press, 2020
- 2020
- English.
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In: DHM2020. - Amsterdam : IOS Press. - 9781643681047 - 9781643681054 ; , s. 18-27
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https://doi.org/10.3...
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https://his.diva-por... (primary) (Raw object)
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Abstract
Subject headings
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- Some anthropometric measurements, such as body weight often show a positively skewed distribution. Different types of transformations can be applied when handling skewed data in order to make the data more normally distributed. This paper presents and visualises how square root, log normal and, multiplicative inverse transformations can affect the data when creating boundary confidence ellipses. The paper also shows the difference of created manikin families, i.e. groups of manikin cases, when using transformed distributions or not, for three populations with different skewness. The results from the study show that transforming skewed distributions when generating confidence ellipses and boundary cases is appropriate to more accurately consider this type of diversity and correctly describe the shape of the actual skewed distribution. Transforming the data to create accurate boundary confidence regions is thought to be advantageous, as this would create digital manikins with enhanced accuracy that would produce more realistic and accurate simulations and evaluations when using DHM tools for the design of products and workplaces.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Maskinteknik -- Produktionsteknik, arbetsvetenskap och ergonomi (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Mechanical Engineering -- Production Engineering, Human Work Science and Ergonomics (hsv//eng)
- NATURVETENSKAP -- Matematik -- Sannolikhetsteori och statistik (hsv//swe)
- NATURAL SCIENCES -- Mathematics -- Probability Theory and Statistics (hsv//eng)
Keyword
- Anthropometry
- Skewness
- Boundary Cases
- Confidence Ellipses
- User Centred Product Design
- Användarcentrerad produktdesign
Publication and Content Type
- ref (subject category)
- kon (subject category)
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