%\VignetteIndexEntry{Examples of likert Tables}
%\VignetteKeyword{likert xtable}

\documentclass[12pt]{article}

\usepackage[margin=1.0in]{geometry}
\usepackage[english]{babel}
\usepackage{rotating}
\usepackage{pdflscape}

<<setup,echo=FALSE,results=hide>>=
options(digits=3)
options(width=80)
options(continue="  ")
@

\begin{document}
\begin{landscape}

\setkeys{Gin}{width=\textwidth}

<<>>=
library(likert)
library(ggplot2)
data(pisaitems)

##### Item 24: Reading Attitudes
items24 <- pisaitems[,substr(names(pisaitems), 1,5) == 'ST24Q']
names(items24) <- c(
	  "I read only if I have to.",
	  "Reading is one of my favorite hobbies.",
	  "I like talking about books with other people.",
	  "I find it hard to finish books.",
	  "I feel happy if I receive a book as a present.",
	  "For me, reading is a waste of time.",
	  "I enjoy going to a bookstore or a library.",
	  "I read only to get information that I need.",
	  "I cannot sit still and read for more than a few minutes.",
	  "I like to express my opinions about books I have read.",
	  "I like to exchange books with my friends.")
l24 = likert(items24)
l24g <- likert(items24, grouping=pisaitems$CNT)
@

\clearpage

<<results=tex>>=
xtable(l24)
@

<<results=tex,eval=FALSE,echo=FALSE>>=
xtable(l24g)
@

\end{landscape}
\end{document}