library(likert)
library(ggplot2)
library(xtable)
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)
% latex table generated in R 4.6.0 by xtable 1.8-8 package % Wed Jun 17
07:42:19 2026