6.2 Case Conversion
20180606 Often during data transformations strings have to be converted from one case to the other. These simple transformations can be achieved by base::tolower() and base::toupper(). The base::casefold() function can also be used as a wrapper to the two functions.
## [1] "STRING MANIPULATION"## [1] "string manipulation"## [1] "string manipulation"## [1] "STRING MANIPULATION"Your donation will support ongoing availability and give you access to the PDF version of this book. Desktop Survival Guides include Data Science, GNU/Linux, and MLHub. Books available on Amazon include Data Mining with Rattle and Essentials of Data Science. Popular open source software includes rattle, wajig, and mlhub. Hosted by Togaware, a pioneer of free and open source software since 1984. Copyright © 1995-2022 Graham.Williams@togaware.com Creative Commons Attribution-ShareAlike 4.0
