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Statistics in Medicine|September 5, 2002
A solution to the problem of separation in logistic regressionGeorg Heinze, Michael SchemperComputer Methods and Programs in Biomedicine|May 22, 2003
Comparing the importance of prognostic factors in Cox and logistic regression using SASGeorg Heinze, Michael SchemperBiometrics|February 19, 2004
Exact log-rank tests for unequal follow-upGeorg Heinze, Michael Gnant, Michael SchemperStatistics in Medicine|May 28, 2009
The estimation of average hazard ratios by weighted Cox regressionMichael Schemper, Samo Wakounig, Georg HeinzeBioinformatics (Oxford, England)|February 2, 2010
Gene selection in microarray survival studies under possibly non-proportional hazardsDaniela Dunkler, Michael Schemper, Georg HeinzeStatistical Methods in Medical Research|December 15, 2011
Non-parametric estimation of relative risk in survival and associated testsSamo Wakounig, Georg Heinze, Michael SchemperStatistics in Medicine|June 19, 2013
Estimating the correlation of bivariate failure times under censoringMichael Schemper, Alexandra Kaider, Samo Wakounig, et al.Statistics in Medicine|September 7, 2006
A comparative investigation of methods for logistic regression with separated or nearly separated dataGeorg HeinzeStatistics in Medicine|December 4, 2003
Comparing Cox and parametric models in clinical studiesAlessandra Nardi, Michael SchemperPageof 31