how to construct a design matrix for coxph in xc++ how to construct a design matrix for dif model w x how to construct a design matrix using pspline what model is a design matrix used in how to calculate the linear predictor in a coxph model how to construct a design matrix for coxph calculate a design matrix with pspline term what is the design matrix of a coxph coxph pspline term when to use pspline term in model to calculate hazard pspline design matrix how to construct a design matrix what is the pspline term in coxph used for? what is the pspline term used in coxph? how to construct a model with pspline term what term is used to construct a model when to use coxph how to construct a design matrix in a computer model coxph calculation with pspline term how to construct an example matrix