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Model estimation of the longevity for cars registered in Sweden using survival analysis and Cox proportional hazards model
Uppsala University, Disciplinary Domain of Humanities and Social Sciences, Faculty of Social Sciences, Department of Statistics.
2014 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

Time-to-event data is used in this thesis to analyze private cars’ longevity in Sweden. Thedataset is provided by Trafikanalys and contains all registered, deregistered or temporary deregisteredcars in Sweden during the time period 2000 - 2012.A Cox proportional hazards model is fitted, including variables such as car manufacturer andcar body. The results show that directly imported cars have a much shorter median survivalcompared to non-imported cars. The convertible cars have the longest median survival amongthe five different car bodies. Sedan and station wagon body types have the shortest mediansurvival. Volvo and Mercedes have the longest survival while Renault, Ford and Opel have theshortest survival. The model fits the data reasonably well, and the assumption of proportionalhazards holds for most of the variables.

Place, publisher, year, edition, pages
2014.
Keyword [en]
Survival analysis, Cox proportional hazards model, Trafikanalys, car longevity
National Category
Probability Theory and Statistics
Identifiers
URN: urn:nbn:se:uu:diva-227520OAI: oai:DiVA.org:uu-227520DiVA: diva2:730004
External cooperation
Trafikanalys
Educational program
Master Programme in Statistics
Supervisors
Examiners
Available from: 2014-06-27 Created: 2014-06-26 Last updated: 2014-06-27Bibliographically approved

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Model estimation of the longevity for cars registered in Sweden using survival analysis and Cox proportional hazards model(1098 kB)265 downloads
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CiteExportLink to record
Permanent link

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Citation style
  • apa
  • ieee
  • modern-language-association
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf