d SJ9-2 st0164. Two techniques for investigating... d Two techniques for investigating interactions between d treatment and continuous covariates in clinical trials d by Patrick Royston, Hub for Trials Methodology Research, d MRC Clinical Trials Unit, and Dept of Statistical d Science, University College London, London, UK d Willi Sauerbrei, Institute for Medical Biometry and d Medical Informatics, Freiburg University Medical d Center, Freiburg, Germany d Support: pr@@ctu.mrc.ac.uk d After installation, type help ^mfpi^ and ^stepp_tail^ f st0164/mfpi.ado f st0164/mfpi_plot.ado f st0164/mfpi.sthlp f st0164/stepp_plot.ado f st0164/stepp_tail.ado f st0164/stepp_window.ado f st0164/gbsg.dta f st0164/glioma.dta f st0164/ex1.do f st0164/ex2.do f st0164/ex3.do f st0164/ex4.do f st0164/ex5.do f st0164/ex6.do f st0164/ex7.do f st0164/ex8.do f st0164/table2.do