Timeline for What does the "z" in cox.zph mean in R
Current License: CC BY-SA 3.0
4 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Sep 16, 2015 at 9:32 | answer | added | Theodor | timeline score: 4 | |
| Sep 15, 2015 at 1:14 | comment | added | RayVelcoro | @hrbrmstr This doesn't answer what the z actually stands for. | |
| Sep 15, 2015 at 1:05 | comment | added | hrbrmstr | "the cox.zph function calculates tests of the proportional-hazards assumption for each covariate, by correlating the corresponding set of scaled Schoenfeld residuals with a suitable transformation of time [the default is based on the Kaplan-Meier estimate of the survival function, K(t)]."` socserv.socsci.mcmaster.ca/jfox/Books/Companion/appendix/… | |
| Sep 15, 2015 at 0:11 | history | asked | RayVelcoro | CC BY-SA 3.0 |