Randomization in clinical studies (vol 72, pg 221, 2019)

초록

The Appendix of this article contained an error throughout in which an incorrect symbol was used for the assignment: it should be <-characters (which is the gets arrow in R), and not ← symbol in the command lines. For example, the corrected command lines are as below: (Formula Presented). The authors would like to apologize for any inconvenience caused. © The Korean Society of Anesthesiologists, 2019.