 Usage:  nar = haznar(data)  

 

 Input:



  data                   n x (p+4) matrix, the first column is the sorted 

                         survival time, followed by the sorted censoring 

                         indicator, labels l, a column containing the 

                         number of ties, and lastly, the sorted covariate 

                         matrix z. This data is produced by hazdat.xpl. 

                         

 Output:



  nar                    n x 1 vector, the ith entry is the size of the 

                         risk set at time t_i. 

                         

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(C) MD*TECH Method and Data Technologies, 21.9.2000

