STAT 533 material

Handouts

  • Course Outline
  • Biostats/Epi Handout (corrected Sept. 18)
  • A Child's Garden of Likelihood
  • Residuals for Cox PH Model - Example
  • LogNormal Model Example
  • Sample Size Examples
  • R-code for sample.size function

    Relevant Articles

  • Zip file of Br.J.Cancer articles
  • Terry Therneau's description of the Survival package
  • Russ Lenth's "Power and Sample Size"

    Assignments, Exercises

  • Week 1 Exercises/Reading
  • Transfusion Data
  • A&E Data
  • R hints
  • Assignment 1 (extra detail, Sept. 26)
  • log-rank test function
  • Cancer Survival Data
  • Assignment 2
  • Data for Assignment 2
  • Reading for Week of October 20th: Collett chapters 3&4.
  • Here is s a typical "Table 1" from the report of an RCT. Note that the proportion of females is "significantly" different in the two groups. On Tuesday, Oct. 21 we will discuss what should be done about it!!
  • Zip file of Br.J.Cancer articles
  • Assignment 3
  • Data for Assignment 3, Question 1
  • Data for Assignment 3, Questions 2 & 3

    Supplementary Reading

    Design, Analysis and Reporting Randomized Clinical Trials

    The Consort Group is a collective of clinicians, epidemiologists and statisticians whose aim is to improve the conduct and reporting of randomized clinical trials. They have developed a set of suggested guidelines known as the Consort Statement. A subsequent document provides more detail, especially with regard to the statistical analysis of clinical trials.

    Problems with Stepwise Regression

    STATA is a commercial statistics package which has very good WWW-based support material, included a FAQ (frequently asked questions) list which includes this page with comments from Frank Harrell and Ronan Conroy