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Adjust spacing between text and chunk output in a R Markdown PDF document

By : Mayank Bharadwaj
Date : October 16 2020, 06:10 PM
To fix the issue you can do Not sure why you would want this, but you can locally change \parskip:
code :
Random Text

```{r echo = FALSE, message=FALSE}
p1 <- ggplot(mtcars, aes(x = row.names(mtcars), mpg)) +
        geom_bar(stat = "identity") +
        theme(panel.border = element_rect(colour = "black", fill=NA, size=1),
              plot.margin=grid::unit(c(0,0,0,0), "mm")) +


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Include a specific chunk from one markdown document in another document

By : user2006530
Date : March 29 2020, 07:55 AM
it helps some times I would try purl-ing the original child document and then reading the chunk in from the code tangle file, which you can then subsequently delete.
Here's test-main.Rmd
code :
```{r echo=FALSE}
invisible(purl("test-child.Rmd", output="temp", quiet=TRUE))

```{r ref.label='test_child_2'}

```{r echo=FALSE}
```{r test_child_1}

```{r test_child_2}

## [1] 4


## [1] 0.3989

output markdown in r code chunk

By : ShaddamIV
Date : March 29 2020, 07:55 AM
To fix the issue you can do Why build the header markup (either in markdown or HTML) manually? Try inline R expressions or some helper functions in pander (to generate markdown programatically):
code :
title: "test"
author: "johndoe"
date: "September 5, 2015"
output: html_document

```{r setup, include=FALSE}
knitr::opts_chunk$set(echo = TRUE)

## `r 'This is a Heading in Code'`

```{r title, results='asis'}
pandoc.header("This is a Heading in Code", level = 2)

```{r cars, results='asis'}

Can I Include a URL Link Within a Chunk of Code in a Github Markdown Document?

By : Vijaylaxmi Chura
Date : March 29 2020, 07:55 AM

Running code chunk in R-markdown using exam document class

By : Carlos Calca
Date : March 29 2020, 07:55 AM
this one helps. Sometimes \begin{"some environment") ... \end{"some environment") doesn't play well with R chuncks. One work around is to define a new environment.
For example, I defined a file preamble.tex with the following information:
code :
documentclass: exam
geometry: margin=.5in
    highlight: haddock
      in_header: preamble.tex
      before_body: doc-prefix.tex
      after_body: doc-suffix.tex

```{r setup, include=FALSE}
knitr::opts_chunk$set(echo = TRUE)


## Including Plots

\question You can also embed plots, for example:

```{r pressure, echo=FALSE}

```{r cars}

\question We can keep the pound signs.


Add markdown code chunk to R Markdown document

By : Kevin Wong
Date : March 29 2020, 07:55 AM
it should still fix some issue I found the bookdown book on Rmarkdown which has examples of R code chunks being rendered via Rmarkdown. The book source is available on GitHub and the relevant chapter is located here.
The chunk below works as desired. I can't explain why the `r ''` is required at the beginning of the block, but it is.
code :
`r ''````{r}
x = sample(1)
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