This Rmd file is in response to a question during the R-Ladies Baltimore 2020-10-20 event. The code is available on this gist and the rendered version is available through RPubs.
Set the seed then print a set of random 10 letters.
set.seed(20201020)
result <- sample(letters, size = 10)
result## [1] "e" "r" "k" "d" "h" "a" "c" "i" "j" "q"Test that it is the expected sequence of 10 letters
stopifnot(
identical(
result,
c("e", "r", "k", "d", "h", "a", "c", "i", "j", "q")
)
)options(width = 120)
sessioninfo::session_info()## ─ Session info ───────────────────────────────────────────────────────────────────────────────────────────────────────
## setting value
## version R version 4.0.2 (2020-06-22)
## os macOS Catalina 10.15.6
## system x86_64, darwin17.0
## ui X11
## language (EN)
## collate en_US.UTF-8
## ctype en_US.UTF-8
## tz America/New_York
## date 2020-10-20
##
## ─ Packages ───────────────────────────────────────────────────────────────────────────────────────────────────────────
## package * version date lib source
## assertthat 0.2.1 2019-03-21 [1] CRAN (R 4.0.0)
## cli 2.0.2 2020-02-28 [1] CRAN (R 4.0.0)
## colorout * 1.2-2 2020-05-18 [1] Github (jalvesaq/colorout@726d681)
## crayon 1.3.4 2017-09-16 [1] CRAN (R 4.0.0)
## digest 0.6.25 2020-02-23 [1] CRAN (R 4.0.0)
## evaluate 0.14 2019-05-28 [1] CRAN (R 4.0.0)
## fansi 0.4.1 2020-01-08 [1] CRAN (R 4.0.0)
## glue 1.4.2 2020-08-27 [1] CRAN (R 4.0.2)
## htmltools 0.5.0 2020-06-16 [1] CRAN (R 4.0.2)
## knitr 1.30 2020-09-22 [1] CRAN (R 4.0.2)
## magrittr 1.5 2014-11-22 [1] CRAN (R 4.0.0)
## rlang 0.4.7 2020-07-09 [1] CRAN (R 4.0.2)
## rmarkdown 2.3 2020-06-18 [1] CRAN (R 4.0.2)
## sessioninfo 1.1.1 2018-11-05 [1] CRAN (R 4.0.0)
## stringi 1.5.3 2020-09-09 [1] CRAN (R 4.0.2)
## stringr 1.4.0 2019-02-10 [1] CRAN (R 4.0.0)
## withr 2.3.0 2020-09-22 [1] CRAN (R 4.0.2)
## xfun 0.18 2020-09-29 [1] CRAN (R 4.0.2)
## yaml 2.2.1 2020-02-01 [1] CRAN (R 4.0.0)
##
## [1] /Library/Frameworks/R.framework/Versions/4.0branch/Resources/library