Displaying 1 result from an estimated 1 matches for "ffr_month".
2010 Sep 08
4
coxph and ordinal variables?
...ata is is below.
Your advice is very much appreciated!
Min-Han
Apologies below for the slightly malaligned output.
STATA output
. xi:stcox i.Hist_Grade_4grp, efr
i.Hist_Grade_~p _IHist_Grad_1-4 (naturally coded; _IHist_Grad_1
omitted)
failure _d: FFR_censor
analysis time _t: FFR_month
Iteration 0: log likelihood = -1133.369
Iteration 1: log likelihood = -1129.4686
Iteration 2: log likelihood = -1129.3196
Iteration 3: log likelihood = -1129.3191
Refining estimates:
Iteration 0: log likelihood = -1129.3191
Cox regression -- Efron method for ties
No. of subjects =...