Timothy O Ramsay

Summary

Affiliation: University of Ottawa
Country: Canada

Publications

  1. ncbi A comparison of four different methods for outlier detection in bioequivalence studies
    Timothy Ramsay
    McLaughlin Centre for Population Health Risk Assessment, Ottawa, Canada
    J Biopharm Stat 15:43-52. 2005
  2. ncbi The effect of concurvity in generalized additive models linking mortality to ambient particulate matter
    Timothy O Ramsay
    Health Canada, Ottawa, Canada
    Epidemiology 14:18-23. 2003
  3. ncbi Exploring bias in a generalized additive model for spatial air pollution data
    Timothy Ramsay
    R Samuel McLaughlin Centre for Population Health Risk Assessment, Ottawa, Ontario, Canada
    Environ Health Perspect 111:1283-8. 2003

Detail Information

Publications3

  1. ncbi A comparison of four different methods for outlier detection in bioequivalence studies
    Timothy Ramsay
    McLaughlin Centre for Population Health Risk Assessment, Ottawa, Canada
    J Biopharm Stat 15:43-52. 2005
    ....
  2. ncbi The effect of concurvity in generalized additive models linking mortality to ambient particulate matter
    Timothy O Ramsay
    Health Canada, Ottawa, Canada
    Epidemiology 14:18-23. 2003
    ....
  3. ncbi Exploring bias in a generalized additive model for spatial air pollution data
    Timothy Ramsay
    R Samuel McLaughlin Centre for Population Health Risk Assessment, Ottawa, Ontario, Canada
    Environ Health Perspect 111:1283-8. 2003
    ..We argue that including a nonparametric function of location in a GAM for spatial epidemiologic data can be expected to result in concurvity. As a result, we recommend caution in using the GAM to analyze this type of data...