Under the assumption of PH, the graph would be a horizontal line at y= log(2.9) = coefficient of the model. That is, a constant hazard ratio.
Your plot shows that there is no effect early (HR of 1) but there is an impact later. Terry T ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
