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Korean J Anesthesiol > Volume 72(4); 2019 > Article
Lim and In: Erratum: Randomization in clinical studies
This corrects the article "Randomization in clinical studies" on page 221.
Korean J Anesthesiol 2019 June 72(3): 221-232
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:
  • > N <- 1000

  • > K <- 3

  • > (rand <- crPar(N, K))

  • Object of class "crPar"

  • design = CR

  • N = 500

  • K = 3

  • groups = A B C

The authors would like to apologize for any inconvenience caused.


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