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Training Course Details

Tidy Evaluation in R

Tidy Evaluation in R

Course Level: Advanced

This is a one-day course comprising of methods for tidy evaluation in R. We introduce the {rlang} package as a way of parsing variables from a data set into a function. Furthermore, we cover {renv} and its uses in managing workflows, by isolating your project’s R dependencies and managing library paths!

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Course Details

  • Course Outline
  • Learning Outcomes
  • Materials
  • Prior Knowledge

Course Outline

  • Modifying user argument in functions calls
  • Quoting code with quosures
  • Using quasi quotation
  • Using {renv} to ensure a reproducible workflow

Learning Outcomes

By the end of the course, participants will be able to…

  • Use the {rlang} operators !!, !!! and := to pass variables
  • Modify user functions using enquo()
  • Parse and deparse expressions
  • Construct reproducible data analysis workflows with {renv}

Materials

Prior Knowledge

This course assumes familiarity with the concepts taught in our {tidyverse} courses. Anyone attending the course should have experience using {dplyr} and {purrr}. Also required, is the ability to construct R functions.

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