Merge branch 'main' into pipelines_solutions

README.md

@@ -5,6 +5,7 @@
 [![Mattermost](https://img.shields.io/badge/chat-mattermost-orange.svg)](https://lmmisld-lmu-stats-slds.srv.mwn.de/mlr_invite/)
 
 Repository to build the free, online version of *[Applied Machine Learning Using mlr3 in R](https://mlr3book.mlr-org.com)* using [quarto](https://quarto.org).
+You can buy a print copy of the book [here](https://www.routledge.com/Applied-Machine-Learning-Using-mlr3-in-R/Bischl-Sonabend-Kotthoff-Lang/p/book/9781032507545) - all profits from the book will go to the mlr organisation to support future maintenance and development of the mlr universe.
 
 
 ## Read the book
@@ -29,6 +30,11 @@ If you are making changes to the book please note the following:
 
 * Our style guide is provided [here in the introduction](https://mlr3book.mlr-org.com/chapters/chapter1/introduction_and_overview.html#styleguide)
 * Where possible, figures in the HTML book should be svgs and figures in the PDF should be pdf. These should be included with `knitr::include_graphics()` or ideally with [include_multi_graphics()](https://github.com/mlr-org/mlr3book/blob/main/book/common/_utils.qmd).
+
+When (non-trivial) changes and corrections are made to chapters that are are included in the first published edition of this book, these changes should be documented in the *Errata* appendix.
+When adding new chapters to the book not present in the published version, these should be marked as *Online Only* in their title.
+For such newly added chapters that are in early stages and have not been rigorously edited and reviewed, these should be additionally marked as being a *Draft*.
+
 * If you add a new package dependency to the book, please follow the following steps to update the lockfile:
   * Start an R session in the `book/` directory
   * Activate the project with `renv::activate()`

book/_quarto.yml

@@ -49,6 +49,7 @@ book:
       - chapters/appendices/solutions.qmd # online only
       - chapters/appendices/tasks.qmd # online only
       - chapters/appendices/overview-tables.qmd # online only
+      - chapters/appendices/errata.qmd # online only
 
 
 bibliography: book.bib

book/chapters/appendices/errata.qmd

@@ -0,0 +1,12 @@
+---
+aliases:
+  - "/errata.html"
+---
+
+# Errata {#sec-appendix-errata}
+
+::: {.content-visible when-format="html"}
+
+{{< include ../../common/_setup.qmd >}}
+
+This appendix lists changes to the online version of this book to chapters included in the first edition.