Postface

System Information

Below is the system information that the book was built under:

─ Session info ───────────────────────────────────────────────────────────────
 setting  value
 version  R version 4.6.0 (2026-04-24)
 os       macOS Tahoe 26.5.1
 system   aarch64, darwin23
 ui       X11
 language (EN)
 collate  en_US.UTF-8
 ctype    en_US.UTF-8
 tz       America/New_York
 date     2026-06-16
 pandoc   3.8.3 @ /Applications/RStudio.app/Contents/Resources/app/quarto/bin/tools/aarch64/ (via rmarkdown)
 quarto   1.9.37 @ /Applications/RStudio.app/Contents/Resources/app/quarto/bin/quarto

─ Packages ───────────────────────────────────────────────────────────────────
 package          * version   date (UTC) lib source
 arrow              24.0.0    2026-04-29 [1] CRAN (R 4.6.0)
 AsioHeaders        1.30.2-1  2025-04-15 [1] CRAN (R 4.6.0)
 askpass            1.2.1     2024-10-04 [1] CRAN (R 4.6.0)
 assertthat         0.2.1     2019-03-21 [1] CRAN (R 4.6.0)
 backports          1.5.1     2026-04-03 [1] CRAN (R 4.6.0)
 base64enc          0.1-6     2026-02-02 [1] CRAN (R 4.6.0)
 bigD               0.3.1     2025-04-03 [1] CRAN (R 4.6.0)
 bit                4.6.0     2025-03-06 [1] CRAN (R 4.6.0)
 bit64              4.8.2     2026-05-19 [1] CRAN (R 4.6.0)
 bitops             1.0-9     2024-10-03 [1] CRAN (R 4.6.0)
 blob               1.3.0     2026-01-14 [1] CRAN (R 4.6.0)
 broom              1.0.13    2026-05-14 [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)
 callr              3.8.0     2026-06-05 [1] CRAN (R 4.6.0)
 cellranger         1.1.0     2016-07-27 [1] CRAN (R 4.6.0)
 chromote           0.5.1     2025-04-24 [1] CRAN (R 4.6.0)
 cli                3.6.6     2026-04-09 [1] CRAN (R 4.6.0)
 clipr              0.8.1     2026-05-25 [1] CRAN (R 4.6.0)
 commonmark         2.0.0     2025-07-07 [1] CRAN (R 4.6.0)
 conflicted         1.2.0     2023-02-01 [1] CRAN (R 4.6.0)
 cowsay             1.2.2     2025-10-29 [1] CRAN (R 4.6.0)
 cpp11              0.5.5     2026-05-06 [1] CRAN (R 4.6.0)
 crayon             1.5.3     2024-06-20 [1] CRAN (R 4.6.0)
 curl               7.1.0     2026-04-22 [1] CRAN (R 4.6.0)
 cvar               0.6       2025-12-17 [1] CRAN (R 4.6.0)
 data.table         1.18.4    2026-05-06 [1] CRAN (R 4.6.0)
 DBI                1.3.0     2026-02-25 [1] CRAN (R 4.6.0)
 dbplyr             2.5.2     2026-02-13 [1] CRAN (R 4.6.0)
 DiagrammeR         1.0.12    2026-04-27 [1] CRAN (R 4.6.0)
 DiagrammeRsvg      0.1       2016-02-04 [1] CRAN (R 4.6.0)
 digest             0.6.39    2025-11-19 [1] CRAN (R 4.6.0)
 dplyr              1.2.1     2026-04-03 [1] CRAN (R 4.6.0)
 dtplyr             1.3.3     2026-02-11 [1] CRAN (R 4.6.0)
 english            1.2-6     2021-08-21 [1] CRAN (R 4.6.0)
 evaluate           1.0.5     2025-08-27 [1] CRAN (R 4.6.0)
 farver             2.1.2     2024-05-13 [1] CRAN (R 4.6.0)
 fastICA            1.2-7     2024-12-11 [1] CRAN (R 4.6.0)
 fastmap            1.2.0     2024-05-15 [1] CRAN (R 4.6.0)
 fBasics            4052.98   2025-12-07 [1] CRAN (R 4.6.0)
 fGarch             4052.93   2025-12-12 [1] CRAN (R 4.6.0)
 fontawesome        0.5.3     2024-11-16 [1] CRAN (R 4.6.0)
 forcats            1.0.1     2025-09-25 [1] CRAN (R 4.6.0)
 fs                 2.1.0     2026-04-18 [1] CRAN (R 4.6.0)
 gargle             1.6.1     2026-01-29 [1] CRAN (R 4.6.0)
 gbutils            0.5.1     2025-12-18 [1] CRAN (R 4.6.0)
 generics           0.1.4     2025-05-09 [1] CRAN (R 4.6.0)
 ggplot2            4.0.3     2026-04-22 [1] CRAN (R 4.6.0)
 glue               1.8.1     2026-04-17 [1] CRAN (R 4.6.0)
 googledrive        2.1.2     2025-09-10 [1] CRAN (R 4.6.0)
 googlesheets4      1.1.2     2025-09-03 [1] CRAN (R 4.6.0)
 gridExtra          2.3       2017-09-09 [1] CRAN (R 4.6.0)
 gss                2.2-10    2025-11-19 [1] CRAN (R 4.6.0)
 gt                 1.3.0     2026-01-22 [1] CRAN (R 4.6.0)
 gtable             0.3.6     2024-10-25 [1] CRAN (R 4.6.0)
 gtExtras           0.6.2     2026-01-17 [1] CRAN (R 4.6.0)
 haven              2.5.5     2025-05-30 [1] CRAN (R 4.6.0)
 hellodatascience   0.1.1     2026-06-12 [1] CRAN (R 4.6.0)
 here               1.0.2     2025-09-15 [1] CRAN (R 4.6.0)
 highr              0.12      2026-03-06 [1] CRAN (R 4.6.0)
 hms                1.1.4     2025-10-17 [1] CRAN (R 4.6.0)
 htmltools          0.5.9     2025-12-04 [1] CRAN (R 4.6.0)
 htmlwidgets        1.6.4     2023-12-06 [1] CRAN (R 4.6.0)
 httr               1.4.8     2026-02-13 [1] CRAN (R 4.6.0)
 ids                1.0.1     2017-05-31 [1] CRAN (R 4.6.0)
 igraph             2.3.2     2026-05-29 [1] CRAN (R 4.6.0)
 isoband            0.3.0     2025-12-07 [1] CRAN (R 4.6.0)
 janitor            2.2.1     2024-12-22 [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)
 juicyjuice         0.1.0     2022-11-10 [1] CRAN (R 4.6.0)
 knitr              1.51      2025-12-20 [1] CRAN (R 4.6.0)
 labeling           0.4.3     2023-08-29 [1] CRAN (R 4.6.0)
 later              1.4.8     2026-03-05 [1] CRAN (R 4.6.0)
 lattice            0.22-9    2026-02-09 [1] CRAN (R 4.6.0)
 lifecycle          1.0.5     2026-01-08 [1] CRAN (R 4.6.0)
 litedown           0.9       2025-12-18 [1] CRAN (R 4.6.0)
 lubridate          1.9.5     2026-02-04 [1] CRAN (R 4.6.0)
 magrittr           2.0.5     2026-04-04 [1] CRAN (R 4.6.0)
 maps               3.4.3     2025-05-26 [1] CRAN (R 4.6.0)
 markdown           2.0       2025-03-23 [1] CRAN (R 4.6.0)
 MASS               7.3-65    2025-02-28 [1] CRAN (R 4.6.0)
 Matrix             1.7-5     2026-03-21 [1] CRAN (R 4.6.0)
 memoise            2.0.1     2021-11-26 [1] CRAN (R 4.6.0)
 mgcv               1.9-4     2025-11-07 [1] CRAN (R 4.6.0)
 mime               0.13      2025-03-17 [1] CRAN (R 4.6.0)
 modelr             0.1.11    2023-03-22 [1] CRAN (R 4.6.0)
 nlme               3.1-169   2026-03-27 [1] CRAN (R 4.6.0)
 openssl            2.4.2     2026-06-09 [1] CRAN (R 4.6.0)
 otel               0.2.0     2025-08-29 [1] CRAN (R 4.6.0)
 paletteer          1.7.0     2026-01-08 [1] CRAN (R 4.6.0)
 pillar             1.11.1    2025-09-17 [1] CRAN (R 4.6.0)
 pkgconfig          2.0.3     2019-09-22 [1] CRAN (R 4.6.0)
 png                0.1-9     2026-03-15 [1] CRAN (R 4.6.0)
 prettyunits        1.2.0     2023-09-24 [1] CRAN (R 4.6.0)
 prismatic          1.1.2     2024-04-10 [1] CRAN (R 4.6.0)
 processx           3.9.0     2026-04-22 [1] CRAN (R 4.6.0)
 progress           1.2.3     2023-12-06 [1] CRAN (R 4.6.0)
 promises           1.5.0     2025-11-01 [1] CRAN (R 4.6.0)
 ps                 1.9.3     2026-04-20 [1] CRAN (R 4.6.0)
 purrr              1.2.2     2026-04-10 [1] CRAN (R 4.6.0)
 R6                 2.6.1     2025-02-15 [1] CRAN (R 4.6.0)
 ragg               1.5.2     2026-03-23 [1] CRAN (R 4.6.0)
 rappdirs           0.3.4     2026-01-17 [1] CRAN (R 4.6.0)
 rbibutils          2.4.1     2026-01-21 [1] CRAN (R 4.6.0)
 RColorBrewer       1.1-3     2022-04-03 [1] CRAN (R 4.6.0)
 Rcpp               1.1.1-1.1 2026-04-24 [1] CRAN (R 4.6.0)
 Rdpack             2.6.6     2026-02-08 [1] CRAN (R 4.6.0)
 reactable          0.4.5     2025-12-01 [1] CRAN (R 4.6.0)
 reactR             0.6.1     2024-09-14 [1] CRAN (R 4.6.0)
 readr              2.2.0     2026-02-19 [1] CRAN (R 4.6.0)
 readxl             1.5.0     2026-05-16 [1] CRAN (R 4.6.0)
 rematch            2.0.0     2023-08-30 [1] CRAN (R 4.6.0)
 rematch2           2.1.2     2020-05-01 [1] CRAN (R 4.6.0)
 reprex             2.1.1     2024-07-06 [1] CRAN (R 4.6.0)
 rlang              1.2.0     2026-04-06 [1] CRAN (R 4.6.0)
 rmarkdown          2.31      2026-03-26 [1] CRAN (R 4.6.0)
 rprojroot          2.1.1     2025-08-26 [1] CRAN (R 4.6.0)
 rstudioapi         0.18.0    2026-01-16 [1] CRAN (R 4.6.0)
 rsvg               2.7.0     2025-09-08 [1] CRAN (R 4.6.0)
 rvest              1.0.5     2025-08-29 [1] CRAN (R 4.6.0)
 S7                 0.2.2     2026-04-22 [1] CRAN (R 4.6.0)
 sass               0.4.10    2025-04-11 [1] CRAN (R 4.6.0)
 scales             1.4.0     2025-04-24 [1] CRAN (R 4.6.0)
 selectr            0.5-1     2025-12-17 [1] CRAN (R 4.6.0)
 sfemergency25      0.1.1     2026-06-13 [1] local
 snakecase          0.11.1    2023-08-27 [1] CRAN (R 4.6.0)
 spatial            7.3-18    2025-01-01 [1] CRAN (R 4.6.0)
 stabledist         0.7-2     2024-08-17 [1] CRAN (R 4.6.0)
 stringi            1.8.7     2025-03-27 [1] CRAN (R 4.6.0)
 stringr            1.6.0     2025-11-04 [1] CRAN (R 4.6.0)
 svglite            2.2.2     2025-10-21 [1] CRAN (R 4.6.0)
 sys                3.4.3     2024-10-04 [1] CRAN (R 4.6.0)
 systemfonts        1.3.2     2026-03-05 [1] CRAN (R 4.6.0)
 textshaping        1.0.5     2026-03-06 [1] CRAN (R 4.6.0)
 tibble             3.3.1     2026-01-11 [1] CRAN (R 4.6.0)
 tidyr              1.3.2     2025-12-19 [1] CRAN (R 4.6.0)
 tidyselect         1.2.1     2024-03-11 [1] CRAN (R 4.6.0)
 tidyverse          2.0.0     2023-02-22 [1] CRAN (R 4.6.0)
 timechange         0.4.0     2026-01-29 [1] CRAN (R 4.6.0)
 timeDate           4052.112  2026-01-28 [1] CRAN (R 4.6.0)
 timeSeries         4052.112  2025-12-12 [1] CRAN (R 4.6.0)
 tinytex            0.59      2026-03-28 [1] CRAN (R 4.6.0)
 tzdb               0.5.0     2025-03-15 [1] CRAN (R 4.6.0)
 utf8               1.2.6     2025-06-08 [1] CRAN (R 4.6.0)
 uuid               1.2-2     2026-01-23 [1] CRAN (R 4.6.0)
 V8                 8.2.0     2026-04-21 [1] CRAN (R 4.6.0)
 vctrs              0.7.3     2026-04-11 [1] CRAN (R 4.6.0)
 viridis            0.6.5     2024-01-29 [1] CRAN (R 4.6.0)
 viridisLite        0.4.3     2026-02-04 [1] CRAN (R 4.6.0)
 visNetwork         2.1.4     2025-09-04 [1] CRAN (R 4.6.0)
 vroom              1.7.1     2026-03-31 [1] CRAN (R 4.6.0)
 webshot2           0.1.2     2025-04-23 [1] CRAN (R 4.6.0)
 websocket          1.4.4     2025-04-10 [1] CRAN (R 4.6.0)
 withr              3.0.2     2024-10-28 [1] CRAN (R 4.6.0)
 xfun               0.58      2026-06-01 [1] CRAN (R 4.6.0)
 xml2               1.5.2     2026-01-17 [1] CRAN (R 4.6.0)
 yaml               2.3.12    2025-12-10 [1] CRAN (R 4.6.0)
 zip                3.0.0     2026-06-10 [1] CRAN (R 4.6.0)

 [1] /Library/Frameworks/R.framework/Versions/4.6/Resources/library

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