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- Syntax
- Pipes
- Documentation
Naming conventions
Google prefers identifying functions with BigCamelCaseto clearly distinguishthem from other objects. The names of private functions should begin with a dot. This helps communicateboth the origin of the function and its intended use. We previously recommended naming objects with dot.case. We’re moving away fromthat, as it creates confusion with S3 methods.
Don’t use attach
The possibilities for creating errors when using attach()are numerous.
Right-hand assignment
We do not support using right-hand assignment. This convention differs substantially from practices in other languages andmakes it harder to see in code where an object is defined. E.g. searching forfoo <- is easier than searching for foo <- and -> foo(possibly split overlines).
Use explicit returns
Do not rely on R’s implicit return feature. It is better to be clear about yourintent to return()an object.
Qualifying namespaces
Users should explicitly qualify namespaces for all external functions. We discourage using the @importRoxygen tag to bring in all functions into aNAMESPACE. Google has a very big R codebase, and importing all functions createstoo much risk for name collisions. While there is a small performance penalty for using ::, it makes it easier tounderstand dependencies in your code. There are some exceptions to this rule. 1. Infix functions (%name%) always need to be imported. 2. Certain rlang pronoun...
Package-level documentation
All packages should have a package documentation file, in apackagename-package.Rfile.
29. Feb. 2024 · R is a free software environment for statistical computing and graphics. Learn how to download, install, and use R, and get the latest news and updates on R releases, events, and packages.
16. Apr. 2024 · Learn how to use R and BigQuery for EDA on Google Cloud with this tutorial. You'll create a user-managed notebooks instance, query and analyze data from BigQuery, and prepare data for ML in Cloud Storage.
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