On 15 Apr 2015, at 13:11 , Anniek <ann...@brinkonline.nl> wrote: > I know that exp(coef) is the Hazard Ratio, but in a certain output posted > down here also a exp(-coef) is present. > > exp(coef) exp(-coef) lower .95 upper .95 > ns(CD4, 4)1 0.29058 3.4413 0.144075 0.5861 > ns(CD4, 4)2 0.09870 10.1316 0.029075 0.3351 > ns(CD4, 4)3 0.03475 28.7806 0.007375 0.1637 > ns(CD4, 4)4 0.10211 9.7933 0.019234 0.5421 > drug[T.ddI] 1.31900 0.7582 0.989748 1.7578 > AZT[T.failure] 1.46116 0.6844 1.087839 1.9626 > > What does exp(-coef) mean? >
The inverse hazard ratio. (As in e^-x = 1/e^x). > Thank you in advance! > > > > -- > View this message in context: > http://r.789695.n4.nabble.com/What-does-exp-coef-mean-tp4705897.html > Sent from the R help mailing list archive at Nabble.com. > > ______________________________________________ > R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see > 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. -- Peter Dalgaard, Professor, Center for Statistics, Copenhagen Business School Solbjerg Plads 3, 2000 Frederiksberg, Denmark Phone: (+45)38153501 Office: A 4.23 Email: pd....@cbs.dk Priv: pda...@gmail.com ______________________________________________ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see 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.