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Editorial Team
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Asked: 2026-06-17T10:40:23+00:00

My understanding is that using set.seed ensures reproducibility but this is not the case

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My understanding is that using set.seed ensures reproducibility but this is not the case with the following R code in R 2.15.2. Am I missing something here?

set.seed(12345)
rnorm(5)
[1]  0.5855288  0.7094660 -0.1093033 -0.4534972  0.6058875
 rnorm(5)
[1] -1.8179560  0.6300986 -0.2761841 -0.2841597 -0.9193220
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1 Answer

  1. Editorial Team

    set.seed() reinitializes the random number generator.

    set.seed(12345)
rnorm(5)
[1]  0.5855288  0.7094660 -0.1093033 -0.4534972  0.6058875

set.seed(12345)
rnorm(5)
[1]  0.5855288  0.7094660 -0.1093033 -0.4534972  0.6058875

set.seed(12345)
rnorm(5)
[1]  0.5855288  0.7094660 -0.1093033 -0.4534972  0.6058875
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