knitr - embedded HTML tags being escaped - how to turn off

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Robert Schuff

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Mar 15, 2015, 1:40:32 PM3/15/15

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Hi,

I am having a little trouble with knitr and embedded html tables. Basically what is happening is when I embed xtable output in html, the html tags are being escaped rending the output unreadable. the output of print.xtable does seems to correctly produce the expected output (an html table) but then when knit is called on the document that xtable is embedded into, escaped characters are produced. Does anybody have a solution?

Thanks in advance!

Version and code example below:

RStudio - 0.98.1103

R - 3.13

knitr - 1.9

library("knitr")

library("xtable")

# clear the console

cat("\014")

col1 <- c(1, 2, 3)

col2 <- c("a", "b", "c")

col3 <- c(TRUE, FALSE, TRUE)

df <- data.frame(col1, col2, col3)

tbl <- print(xtable(df),type="HTML",include.rownames=FALSE)

testknitr <- "<html>

<head>

<title>Test Knitr from variable</title>

</head>

<body>

<h1>Testing Knitr escaping </h1>

<table>

<tr>

<td>

<!--begin.rcode label=\"a table\"

tbl

end.rcode-->

</td>

</tr>

</table>"

knit(text=testknitr, output="testknitr.html")

Yihui Xie

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Mar 16, 2015, 12:08:33 AM3/16/15

to Robert Schuff, knitr

You did the right thing to ask on StackOverflow:
http://stackoverflow.com/q/29064174/559676 :)

Regards,
Yihui
--
Yihui Xie <xiey...@gmail.com>
Web: http://yihui.name

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