Acknowledgements

20210223 There are many people to thank for sharing these tools, their knowledge, and their encouragement in many different ways. Indeed, the open source and especially the R and now the tidyverse communities are chracterised by their willingness to share for the good of us all, and many folk have also contributed directly and indirectly to this book through their sharing. Their contributions are acknowledged throughout the book, but there are always gaps. To all who share openly, thank you. I have learned so much from this community over more than 30 years.

Your support for maintenance of this book is always welcome. Financial support is used to contribute toward the costs of running the servers used to make this book available. Donations can be made through PayPal at https://onepager.togaware.com/

The following are acknowledged for their recent support of the book: Christopher Aragao, Frank Reibold, Sandra Auslam, Bartlomiej Hanus, JD Mosley-Matchett, Ronald Crowe, Gustave Avognon, David Montgomery, Arivarignan Gunaseelan, Clemens Kielhauser, and Ricardo Scotta.

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