The R code that we wish to execute needs to be specified inside an R code chunk.Īn R chunk starts with three backticks ``` library(plotly) ggplotly(g) ``` # Conclusion We have visually showed that people in countries with a high GDP per capita live longer, and there is a big difference in life expectancy between countries of the same income level. Then, Pandoc ( ) is used to transform the markdown file into formatted text and to create the final document in the specified format.īelow we describe the components of R Markdown in more detail.įurther information about R Markdown can be seen in Xie, Allaire, and Grolemund ( 2018), the R Markdown website, md) that includes the code and the output. ![]() Create a new R Markdown file and call it Chunk 5. ![]() Rmd file is rendered, the knit() function of the package knitr ( Xie 2021b) is used to execute the R code chunksĪnd to generate a markdown file (with extension. Make pretty tables with the knitr package and the kable() function. Or a document with PDF format by setting output_format=pdf_document. The render() function has an argument called output_format where we can select the format we want for the final document.įor example, we can obtain a document with HTML format if we set output_format=html_document, Rmd file, we can use the ‘Knit’ button in the RStudio IDE or use the render() function of the rmarkdown package. R code chunks with the code that needs to be executed.YAML header specifying several document options such as the output format,.Rmd extension and intermingles R code with text to create a final output in HTML, PDF or other formats.Īn R Markdown file has three basic components, namely: ![]() We can install the rmarkdown package by typing install.packages("rmarkdown").Īn R Markdown file has.
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