生成自定义的 Rmarkdown 文档

Question

I have a shiny application in which a user can enter information through a form with various inputs like text, date etc. Once entered, this information is stored in a table in the backend. Now on the basis of this, the user wants to generate a document/pdf in a particular format for printing. Here is a demo of what the final filled up form might look like:

All the fields, for example, the billed to address, payment method, shipped to etc. are entered through the form and are stored in a table. How do I extract this information from a table and show it in this format? I am looking at parameterized Rmarkdown documents, but don't know how to get the format correct.

Answer 1

As for getting parameters into an rmarkdown file, you can use the yaml header. Since your data is most likely coming from a reactive environment, you have to save the object to the global environment using the <<- operator or assign() . These values can then be accessed from the Rmarkdown file with the yaml header. Say you have created an object called address :

---
output: pdf_document
address: NA
---

As of the formatting the report, you will need to use latex code, either inside the Rmarkdown document and/or you specify a .tex file in the yaml header:

---
output:
  pdf_document:
    includes:
      in_header: preamble.tex
address: NA
---