search for: tonot

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2009 Mar 28
1
stratified variables in a cox regression
>Hello, I am hoping for assistance in regards to examining the contribution of stratified variables in a cox regression. A previous post by Terry Therneau noted that "That is the point of a strata; you are declaring a variable to NOT be proportional hazards, and thus there is no single "hazard ratio" that describes it". Given this purpose of stratification, in the
2017 Feb 20
0
usb drives & Orico ORICO 9548U3-BK
...rives. There was no problem installing > > the usb cabinet or the drives. Iformatted each drive with xfs as > > /dev/sdc and /dev/sdd, and then combined theminto a software mirrored > > raid with mdadm as /dev/md0. > > I've always thought that the perceived wisdom is tonot try and do software > raid across USB - especially when both drives are atthe other end of the > same USB cable. Sure USB 3 is faster and there's abetter chance it will appear > to work at a reasonable speed, but it's notsomething I would contemplate. > > > > > Ever...