使用R进行COX回归建模时发生了错误
请教一下,建模时出现了X matrix deemed to be singular; variable M_Stage=M1 ,请问怎么解决呀?
coxmod <- cph(y ~Age+Race+Marital_Status+Primary_Site+Histology+Grade+AJCC_Stage+T_Stage+N_Stage+M_Stage+Chemotherapy+Tumor_Size+Lymph_Node_Metastasis,data=seer,surv=T,x=T,y=T)
X matrix deemed to be singular; variable M_Stage=M1
最后编辑于 2023-02-10 · 浏览 1540