Import R Markdown into R

R Markdown (RMD) is a popular format for creating reproducible reports in R. It allows users to combine text, code, and output in a single document, making it an efficient tool for data analysis and visualization. In this article, we will discuss how to import RMD files into R and how to use them to create reproducible reports.

What is R Markdown?

Before diving into the steps needed to import RMD into R Programming Language, it is important to understand the following concepts:

• R Markdown: A plain-text format for creating reproducible reports in R. RMD files are saved with the .Rmd extension.
• RStudio: An integrated development environment (IDE) for R, which includes support for R Markdown and other R-related tasks.
• knitr: An R package that converts RMD files into other formats, such as HTML, PDF, or Word.

The process of importing RMD files into R is relatively straightforward. Here are the steps you need to follow:

1. Open RStudio.
2. Click on the “File” menu and select “Open File” or “Open Project.”
3. Navigate to the location of your RMD file and select it.
4. The RMD file will be opened in RStudio’s text editor. You can now edit the file as needed.
5. To generate the output, click the “Knit” button on the top-right corner of the text editor or press “Ctrl+Shift+K” (Windows) or “Cmd+Shift+K” (Mac).

Steps to import an .RMD file in R

When you knit this file, it will generate an HTML report with the title “My first R Markdown report” and a scatter plot of weight vs. mpg from the mtcars dataset.

R

---
title: "My first R Markdown report"
output: html_document
---

```{r}
library(ggplot2)

ggplot(mtcars, aes(x = wt, y = mpg)) +
  geom_point()

Output:

Scatter plot by adding code in .rmd file