Introduction to R Workshop

Hey there!

This is a public GitHub repository to share the files needed for the Kansas State University 2019 AGSA R Workshop - Introduction to R, taught by @leombastos.

The workshop was divided into 2 days, 2 hours per day:

• day 1:

  • Basics (1h)

    • R and RStudio (RStudio panels).
    • R role in reproducible research.
    • R basic concepts (package, function, argument, object, object classes).
    • Creating a data set.
    • Checking data (summary, glimpse).
    • Intro to ggplot (philosophy).
    • Using ggplot for exploratory data viz.

  • Intermediate (1h)

    • Using RStudio projects.
    • Import data, discuss about tidy data concept.
    • Using dplyr and tidyr for data wrangling.
    • EXERCISE!

• day 2:

  • Intermediate (2h)
    • Run RCBD model, talk about model specification syntax.
    • Look into ANOVA.
    • Check model assumptions (talk about assumptions and what to do when they are violated).
    • Extract model means and pairwise comparison results.
    • Creating publication-ready plot with means and letters.

Interested in "attending" the workshop?

1. Download this repository (click on the green "Code" button above and select "Download ZIP")

2. Unzip the repository, launch the RStudio project (by clicking on the "2019_rworkshop_introtoR.Rproj" file).

3. On RStudio, go to the "Files" tab (lower right), click on folder "markdown", and open file

   • "Basic1_partial.R" for day 1, basics
   • "Intermediate1_partial.Rmd" for day 1, intermediate
   • "Intermediate2_partial.Rmd" for day 2, intermediate

4. You can code along with us by watching the following YouTube videos:

   • day 1
   • day 2