Report generation using R script

spinning in knitr package

@kohske

Here is the script generating this html
https://gist.github.com/gists/2975392

Contents

• Try to generate a report using R script with roxygen-style comments (#').
• You can put any markdown comments following the line-head #'.
• You can set the chunk option by puttin the line-head #+.

How to use

1. Write a script
2. Put comments with markdown
3. spin it.
4. Open it in web browser.

> library(knitr)
+ spin("script.R")
+ browseURL(normalizePath("script.html"))

An example of chunk opttion

The followings will generate

#+ echo = TRUE
mean(rnorm(100))

#+ echo = FALSE
sample(1:10)

this kind of html

mean(rnorm(100))

## [1] 0.1076

##  [1]  5  1 10  2  7  6  4  8  9  3

Figure

library(ggplot2)
qplot(rnorm(100), rnorm(100), colour = rnorm(100)) + 
    guides(colour = "colourbar")

Table

xtable is available for generating html-compatible table from data.frame.
You need results = "asis" in chunk option

#+ results = 'asis'
library(xtable)
print(xtable(head(iris)), type = "html")