Journal of Quality and Reliability Engineering / 2015 / Article / Alg 1

Research Article

Variable Selection Methods for Right-Censored Time-to-Event Data with High-Dimensional Covariates

Algorithm 1

NTS (F) algorithm.
Step  1. for i = 1 to q do
Step  2.  Compose the dataset for variable set i in including variables where j = 1 to k
Step  3.  Calculate over the dataset
Step  4.  Compare and with log-rank test
Step  5.  Save the test score for variables in subset i as
Step  6. end for
Step  7. Eliminate rows of where the array of the row has a value of more than 0.05,
   and call this new set
Step  8. Count the contribution (presence) of each variable based on its identification
   number in the first k columns and save as
Step  9. Return as the variable efficiency vector

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