Session information: R

For reproducibility.

# install.packages("sessioninfo")
sessioninfo::session_info()
#> ─ Session info ───────────────────────────────────────────────────────────────
#>  setting  value
#>  version  R version 4.6.1 (2026-06-24)
#>  os       macOS Tahoe 26.5.2
#>  system   aarch64, darwin23
#>  ui       X11
#>  language (EN)
#>  collate  en_US.UTF-8
#>  ctype    en_US.UTF-8
#>  tz       Europe/London
#>  date     2026-07-17
#>  pandoc   3.10 @ /opt/homebrew/bin/ (via rmarkdown)
#>  quarto   1.9.38 @ /usr/local/bin/quarto
#> 
#> ─ Packages ───────────────────────────────────────────────────────────────────
#>  package     * version date (UTC) lib source
#>  bookdown      0.47    2026-06-16 [1] CRAN (R 4.6.0)
#>  bslib         0.11.0  2026-05-16 [1] CRAN (R 4.6.0)
#>  cachem        1.1.0   2024-05-16 [1] CRAN (R 4.6.0)
#>  cli           3.6.6   2026-04-09 [1] CRAN (R 4.6.0)
#>  digest        0.6.39  2025-11-19 [1] CRAN (R 4.6.0)
#>  evaluate      1.0.5   2025-08-27 [1] CRAN (R 4.6.0)
#>  fastmap       1.2.0   2024-05-15 [1] CRAN (R 4.6.0)
#>  htmltools     0.5.9   2025-12-04 [1] CRAN (R 4.6.0)
#>  jquerylib     0.1.4   2021-04-26 [1] CRAN (R 4.6.0)
#>  jsonlite      2.0.0   2025-03-27 [1] CRAN (R 4.6.0)
#>  knitr         1.51    2025-12-20 [1] CRAN (R 4.6.0)
#>  lifecycle     1.0.5   2026-01-08 [1] CRAN (R 4.6.0)
#>  otel          0.2.0   2025-08-29 [1] CRAN (R 4.6.0)
#>  R6            2.6.1   2025-02-15 [1] CRAN (R 4.6.0)
#>  rlang         1.3.0   2026-07-05 [1] CRAN (R 4.6.1)
#>  rmarkdown     2.31    2026-03-26 [1] CRAN (R 4.6.0)
#>  rstudioapi    0.19.0  2026-06-11 [1] CRAN (R 4.6.0)
#>  sass          0.4.10  2025-04-11 [1] CRAN (R 4.6.0)
#>  sessioninfo   1.2.4   2026-06-04 [1] CRAN (R 4.6.0)
#>  xfun          0.60    2026-07-09 [1] CRAN (R 4.6.1)
#>  yaml          2.3.12  2025-12-10 [1] CRAN (R 4.6.0)
#> 
#>  [1] /Library/Frameworks/R.framework/Versions/4.6/Resources/library
#> 
#> ──────────────────────────────────────────────────────────────────────────────