Hello everyone, I am new to SAS. The hazard analysis shows that the association between Bicarb (LBXSC3SI) and survival is no linear. Thus, I want to plot restricted cubic splines in proportional hazard regression. I used the following syntax for basic cox proportional hazard model. proc phreg data = survey; model years*dead(0) = LBXSC3SI/rl; run; and to plot restricted cubic splines I used the following syntax PROC PHREG DATA = survey; effect LBXSC3SIs = spline(LBXSC3SI / basis=tpf(noint) NATURALCUBIC details knotmethod=rangefractions(0.05 0.50 0.95) ); model years*dead (0) = LBXSC3SI/rl; run; ods graphics on; However, I did not see any graph in my SAS output. I was wondering if anyone can help me with the syntax. Thank you in advance!
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