# Add slides How to add slides without extra chunk. Reference from [StackOverflow](https://stackoverflow.com/a/57838268) ```r version$version.string ``` ``` ## [1] "R version 4.2.2 (2022-10-31 ucrt)" ``` ```r class(iris) ``` ``` ## [1] "data.frame" ``` -- ```r dim(iris) ``` ``` ## [1] 150 5 ``` ```r colnames(iris) ``` ``` ## [1] "Sepal.Length" "Sepal.Width" "Petal.Length" "Petal.Width" "Species" ```