Menu
Hide source code: ```{r, echo=FALSE} 1 + 1 ``` Hide text output (you can also use `results = FALSE`): ```{r, results='hide'} print("You will not see the text output.") ``` Hide messages: ```{r, message=FALSE} message("You will not see the message.") ``` Hide warning messages: ```{r, warning=FALSE} # this will generate ...
R Markdown (markup language)R Markdown files are plain text files that typically have the file extension . Rmd . They are written using an extension of markdown syntax that enables R code to be embedded in them in a way which can later be executed.
The R package knitr is a general-purpose literate programming engine, with lightweight API's designed to give users full control of the output without heavy coding work. It combines many features into one package with slight tweaks motivated from my everyday use of Sweave.
If you prefer to use the console by default for all your R Markdown documents (restoring the behavior in previous versions of RStudio), you can make Chunk Output in Console the default: Tools -> Options -> R Markdown -> Show output inline for all R Markdown documents .
You can use include=FALSE to exclude everything in a chunk.
```{r include=FALSE}
source("C:/Rscripts/source.R")
```
If you only want to suppress messages, use message=FALSE instead:
```{r message=FALSE}
source("C:/Rscripts/source.R")
```
```{r results='hide', message=FALSE, warning=FALSE}
library(RJSONIO)
library(AnotherPackage)
```
see Chunk Options in the Knitr docs
My best solution on R Markdown was to create a code chunk only to load libraries and exclude everything in the chunk.
{r results='asis', echo=FALSE, include=FALSE,}
knitr::opts_chunk$set(echo = TRUE, warning=FALSE)
#formating tables
library(xtable)
#data wrangling
library(dplyr)
#text processing
library(stringi)
This is an old question, but here's another way to do it.
You can modify the R code itself instead of the chunk options, by wrapping the source call in suppressPackageStartupMessages(), suppressMessages(), and/or suppressWarnings(). E.g:
```{r echo=FALSE}
suppressWarnings(suppressMessages(suppressPackageStartupMessages({
source("C:/Rscripts/source.R")
})
```
You can also put those functions around your library() calls inside the "source.R" script.
If you love us? You can donate to us via Paypal or buy me a coffee so we can maintain and grow! Thank you!
Donate Us With