cal.cox.coef: Cox coefficient calculation.

Description

Calculate the Cox coefficients of covariates.

Usage

cal.cox.coef (gnExpMat, survivaltime, censor)

Arguments

gnExpMat

Matrix of gene expression data.

survivaltime

Vector of survival time.

censor

Vector of censoring status. 1 = event occurred, 0 = censored.

Value

Vector of Cox coefficients.

References

Yasrebi H, Sperisen P, Praz V, Bucher P, 2009 Can Survival Prediction Be Improved By Merging Gene Expression Data Sets?. PLoS ONE 4(10): e7431. doi:10.1371/journal.pone.0007431.