F Y Hsieh

Summary

Country: USA

Publications

  1. ncbi request reprint Sample-size calculations for the Cox proportional hazards regression model with nonbinary covariates
    F Y Hsieh
    CSPCC, Department of Veterans Affairs Palo Alto Health Care System, Palo Alto, CA, USA
    Control Clin Trials 21:552-60. 2000
  2. ncbi request reprint An overview of variance inflation factors for sample-size calculation
    F Y Hsieh
    Department of Veterans Affairs, Palo Alto Health Care System 151 K, Palo Alto, CA 94304, USA
    Eval Health Prof 26:239-57. 2003

Detail Information

Publications2

  1. ncbi request reprint Sample-size calculations for the Cox proportional hazards regression model with nonbinary covariates
    F Y Hsieh
    CSPCC, Department of Veterans Affairs Palo Alto Health Care System, Palo Alto, CA, USA
    Control Clin Trials 21:552-60. 2000
    ..This paper also provides a variance inflation factor together with simulations for adjustment of sample size when additional covariates are included in the model. Control Clin Trials 2000;21:552-560..
  2. ncbi request reprint An overview of variance inflation factors for sample-size calculation
    F Y Hsieh
    Department of Veterans Affairs, Palo Alto Health Care System 151 K, Palo Alto, CA 94304, USA
    Eval Health Prof 26:239-57. 2003
    ..To design a study, researchers can apply these design effects, also known as variance inflation factors to adjust the power or sample size calculated from a two-group parallel design using standard formulas and software...