Learn R Programming

knitr (version 1.50)

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

Version

Install

install.packages('knitr')

Monthly Downloads

1,053,793

Version

1.50

License

GPL

Maintainer

Yihui Xie

Last Published

March 16th, 2025

Functions in knitr (1.50)

engine_output

An output wrapper for language engine output
download_image

Download an image from the web and include it in a document
fig_path

Path for figure files
dep_auto

Build automatic dependencies among chunks
hook_ffmpeg_html

Hooks to create animations in HTML output
hook_movecode

Some potentially useful document hooks
knit2pandoc

Convert various input files to various output files using knit() and Pandoc
imgur_upload

Upload an image to imgur.com
include_graphics

Embed external images in knitr documents
rocco

Knit R Markdown using the classic Docco style
knit_meta

Metadata about objects to be printed
rst2pdf

A wrapper for rst2pdf
knit_params

Extract knit parameters from a document
knit_exit

Exit knitting early
knit_params_yaml

Extract knit parameters from YAML text
knit2pdf

Convert Rnw or Rrst files to PDF
knit_watch

Watch an input file continuously and knit it when it is updated
knit_expand

A simple macro preprocessor for templating purposes
include_url

Embed a URL as an HTML iframe or a screenshot in knitr documents
knit_hooks

Hooks for R code chunks, inline R code and output
knit_rd

Knit package documentation
knit

Knit a document
is_low_change

Compare two recorded plots
plot_crop

Crop a plot (remove the edges) using PDFCrop or ImageMagick
kable

Create tables in LaTeX, HTML, Markdown and reStructuredText
load_cache

Load the cache database of a code chunk
knitr-package

A general-purpose tool for dynamic report generation in R
knit2html

Convert markdown to HTML using knit() and mark_html()
knit_code

The code manager to manage code in all chunks
opts_chunk

Default and current chunk options
knit_engines

Engines of other languages
opts_knit

Options for the knitr package
rand_seed

An unevaluated expression to return .Random.seed if exists
opts_hooks

Hooks for code chunk options
set_header

Set the header information
pat_rnw

Set regular expressions to read input documents
knit_child

Knit a child document
knit2wp

Knit an R Markdown document and post it to WordPress
set_alias

Set aliases for chunk options
partition_chunk

Partition chunk options from the code chunk body
knit_theme

Syntax highlighting themes
spin

Spin goat's hair into wool
inline_expr

Wrap code using the inline R expression syntax
spin_child

Spin a child R script
raw_block

Mark character strings as raw blocks in R Markdown
opts_template

Template for creating reusable chunk options
extract_raw_output

Mark character strings as raw output that should not be converted
render_html

Set or get output hooks for different output formats
knit_filter

Spell check filter for source documents
read_chunk

Read chunks from an external script
rnw2pdf

Convert an Rnw document to PDF
knit_global

The global environment for evaluating code
vignette_engines

Package vignette engines
stitch

Automatically create a report based on an R script and a template
is_latex_output

Check the current input and output type
knit_print

A custom printing function
knit_patterns

Patterns to match and extract R code in a document
set_parent

Specify the parent document of child documents
wrap_rmd

Wrap long lines in Rmd files
pandoc

A Pandoc wrapper to convert documents to other formats
sew

Wrap evaluated results for output
write_bib

Generate BibTeX bibliography databases for R packages
asis_output

Mark an R object with a special class
convert_chunk_header

Convert the in-header chunk option syntax to the in-body syntax
current_input

Query the current input filename
combine_words

Combine multiple words into a single string
hook_pdfcrop

Built-in chunk hooks to extend knitr
cache_engines

Cache engines of other languages
clean_cache

Clean cache files that are probably no longer needed
all_labels

Get all chunk labels in a document
Sweave2knitr

Convert Sweave to knitr documents
dep_prev

Make later chunks depend on previous chunks
all_patterns

All built-in patterns
fig_chunk

Obtain the figure filenames for a chunk
image_uri

Encode an image file to a data URI
hook_plot_html

Default plot hooks for different output formats