purrr enhances R’s functional programming capabilities by providing a consistent set of tools for working with lists and vectors, enabling safer and more expressive iteration compared to base R’s loop functions.
Features
- map(), map2(), pmap() functions for iteration over vectors and lists
- walk() for side-effects (e.g., plotting) without return values
- map_if(), map_at() for conditional or scoped mapping
- Function wrappers: safely(), quietly(), possibly() for robust execution
- Consistent output: lists, vectors, data frames via map_df()
- Integrates with tidyverse pipelines and plays well with dplyr
Project Samples
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MIT LicenseFollow purrr
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