Rdocumentation
powered by
Learn R Programming
knitr (version 1.51)
A General-Purpose Package for Dynamic Report Generation in R
Description
Provides a general-purpose tool for dynamic report generation in R using Literate Programming techniques.
Copy Link
Link to current version
Version
Version
1.51
1.50
1.49
1.48
1.47
1.46
1.45
1.44
1.43
1.42
1.41
1.40
1.39
1.38
1.37
1.36
1.35
1.34
1.33
1.32
1.31
1.30
1.29
1.28
1.27
1.26
1.25
1.24
1.23
1.22
1.21
1.20
1.19
1.18
1.17
1.16
1.15.1
1.15
1.14
1.13
1.12.3
1.11
1.10.5
1.9
1.8
1.7
1.6
1.5
1.4.1
1.3
1.2
1.1
1.0.5
0.9
0.8
0.7
0.6.3
0.5
0.4
0.3
0.2
0.1
Install
install.packages('knitr')
Monthly Downloads
1,215,427
Version
1.51
License
GPL
Maintainer
Yihui Xie
Last Published
December 20th, 2025
Functions in knitr (1.51)
Search all functions
imgur_upload
Upload an image to imgur.com
include_graphics
Embed external images in
knitr
documents
knit_rd
Knit package documentation
knit
Knit a document
knit2html
Convert markdown to HTML using knit() and mark_html()
knit_filter
Spell check filter for source documents
download_image
Download an image from the web and include it in a document
knit_theme
Syntax highlighting themes
knit_global
The global environment for evaluating code
engine_output
An output wrapper for language engine output
include_url
Embed a URL as an HTML iframe or a screenshot in
knitr
documents
inline_expr
Wrap code using the inline R expression syntax
knit2pandoc
Convert various input files to various output files using
knit()
and Pandoc
knit2wp
Knit an R Markdown document and post it to WordPress
sew
Wrap evaluated results for output
set_parent
Specify the parent document of child documents
is_low_change
Compare two recorded plots
kable
Create tables in LaTeX, HTML, Markdown and reStructuredText
knit_code
The code manager to manage code in all chunks
knit_print
A custom printing function
knit_engines
Engines of other languages
opts_hooks
Hooks for code chunk options
knit_patterns
Patterns to match and extract R code in a document
knit_params
Extract knit parameters from a document
knit_child
Knit a child document
opts_knit
Options for the knitr package
render_html
Set or get output hooks for different output formats
opts_template
Template for creating reusable chunk options
knit_hooks
Hooks for R code chunks, inline R code and output
knit_params_yaml
Extract knit parameters from YAML text
raw_block
Mark character strings as raw blocks in R Markdown
knit2pdf
Convert Rnw or Rrst files to PDF
knit_expand
A simple macro preprocessor for templating purposes
is_latex_output
Check the current input and output type
load_cache
Load the cache database of a code chunk
knit_exit
Exit knitting early
extract_raw_output
Mark character strings as raw output that should not be converted
set_alias
Set aliases for chunk options
pandoc
A Pandoc wrapper to convert documents to other formats
opts_chunk
Default and current chunk options
plot_crop
Crop a plot (remove the edges) using PDFCrop or ImageMagick
rand_seed
An unevaluated expression to return .Random.seed if exists
rocco
Knit R Markdown using the classic Docco style
knit_meta
Metadata about objects to be printed
write_bib
Generate BibTeX bibliography databases for R packages
wrap_rmd
Wrap long lines in Rmd files
set_header
Set the header information
rst2pdf
A wrapper for rst2pdf
knit_watch
Watch an input file continuously and knit it when it is updated
knitr-package
A general-purpose tool for dynamic report generation in R
spin
Spin goat's hair into wool
read_chunk
Read chunks from an external script
pat_rnw
Set regular expressions to read input documents
rnw2pdf
Convert an
Rnw
document to PDF
spin_child
Spin a child R script
partition_chunk
Partition chunk options from the code chunk body
stitch
Automatically create a report based on an R script and a template
vignette_engines
Package vignette engines
cache_engines
Cache engines of other languages
clean_cache
Clean cache files that are probably no longer needed
hook_pdfcrop
Built-in chunk hooks to extend knitr
asis_output
Mark an R object with a special class
current_input
Query the current input filename
Sweave2knitr
Convert Sweave to knitr documents
combine_words
Combine multiple words into a single string
all_labels
Get all chunk labels in a document
convert_chunk_header
Convert the in-header chunk option syntax to the in-body syntax
fig_chunk
Obtain the figure filenames for a chunk
fig_path
Path for figure files
dep_auto
Build automatic dependencies among chunks
image_uri
Encode an image file to a data URI
dep_prev
Make later chunks depend on previous chunks
hook_plot_html
Default plot hooks for different output formats
hook_ffmpeg_html
Hooks to create animations in HTML output
hook_movecode
Some potentially useful document hooks
all_patterns
All built-in patterns