R effects package Error: non-conformable arguments -


i using effects r package , effect function on cox model. there default method function somehow should work model.

when try use function error:

any idea how fix , wrong?

> eff_cf <- effect("tp53:mdm2", model) error in mod.matrix %*% mod$coefficients[!is.na(coef(mod))] :    non-conformable arguments

my model looks this:

> model call: coxph(formula = surv(times, patient.vital_status) ~ tp53 + mdm2 +      tp53:mdm2, data = clinforplot)                                   coef exp(coef) se(coef)      z       p tp53other                     -0.163     0.850    0.217 -0.752 4.5e-01 tp53wild                      -1.086     0.337    0.277 -3.928 8.6e-05 mdm2(1183.7,1674.7]           -0.669     0.512    0.235 -2.851 4.4e-03 mdm2(1674.7,2248.5]           -0.744     0.475    0.305 -2.444 1.5e-02 mdm2(2248.5,50339]            -0.867     0.420    0.375 -2.308 2.1e-02 tp53other:mdm2(1183.7,1674.7]  0.394     1.483    0.412  0.958 3.4e-01 tp53wild:mdm2(1183.7,1674.7]   0.133     1.142    0.413  0.323 7.5e-01 tp53other:mdm2(1674.7,2248.5] -0.192     0.825    0.517 -0.372 7.1e-01 tp53wild:mdm2(1674.7,2248.5]   0.546     1.726    0.433  1.260 2.1e-01 tp53other:mdm2(2248.5,50339]  -0.140     0.869    0.650 -0.215 8.3e-01 tp53wild:mdm2(2248.5,50339]    0.786     2.195    0.484  1.623 1.0e-01  likelihood ratio test=72.8  on 11 df, p=3.54e-11  n= 1321, number of events= 258

and model , data.frame used model can reproduced using code

library(archivist) model <- loadfromgitub("68eeefba87be70364eb3801cec58eb3d",                user = "marcinkosinski",               repo = "museum",               value = true)  clinforplot <- loadfromgitub("cfa5145e6b98964d5f8b760bf749e426",                         user = "marcinkosinski",                        repo = "museum",                        value = true)

any idea how fix , wrong?


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