Dear all,
I am unable to understand how Hline() works in tabular(). I've read
the vignette and the help page, and here this example compiles
perfectly fine:
latex( tabular( Species + Hline() + 1
~ Heading()*mean*All(iris), data=iris) )
However, if I try it on my own data it fails. Consider this:
set.seed(1)
Xa <- data.frame(p=rep(c("First group","Second
group","Third
group"),each=10,len=30),
a=sample(c("Some long label","Some other long
label",
"Yet another label"),
30, replace=TRUE),id=seq(30),
b=round(runif(30,10,20)),
c=round(runif(30,40,70)))
(x <- tabular(((p=factor(p))*(a=factor(a))+1) ~ (N = 1) + (b + c)*
(mean+sd),data=Xa))
p a N mean sd mean sd
First group Some long label 3 15.67 2.082 64.33 3.786
Some other long label 4 14.75 2.630 52.25 8.461
Yet another label 3 15.67 3.215 50.67 3.055
Second group Some long label 2 17.00 1.414 57.50 10.607
Some other long label 3 17.00 1.000 60.00 8.888
Yet another label 5 15.00 3.082 58.20 8.672
Third group Some long label 4 13.75 3.594 58.75 5.909
Some other long label 4 13.50 1.732 46.50 3.786
Yet another label 2 16.00 1.414 50.00 4.243
All 30 15.13 2.501 55.37 8.045
I would like to place an Hline() between rows 3:4, rows 6:7, rows
9:10. But either way I place it I get something that doesn't compile
in LaTeX ("! Misplaced \noalign." error). For example,
x <- tabular(((p=factor(p)))*(a=factor(a)) +(Hline() + 1) ~ (N = 1) + (b +
c)*
(mean+sd),data=Xa)
latex(x)
\begin{tabular}{llccccc}
\hline
& & & \multicolumn{2}{c}{b} & \multicolumn{2}{c}{c} \\
p & a & N & mean & sd & mean & \multicolumn{1}{c}{sd} \\
\hline
First group & Some long label & $\phantom{0}3$ & $15.67$ &
$2.082$ &
$64.33$ & $\phantom{0}3.786$ \\
& Some other long label & $\phantom{0}4$ & $14.75$ & $2.630$
&
$52.25$ & $\phantom{0}8.461$ \\
& Yet another label & $\phantom{0}3$ & $15.67$ & $3.215$ &
$50.67$ &
$\phantom{0}3.055$ \\
Second group & Some long label & $\phantom{0}2$ & $17.00$ &
$1.414$ &
$57.50$ & $10.607$ \\
& Some other long label & $\phantom{0}3$ & $17.00$ & $1.000$
&
$60.00$ & $\phantom{0}8.888$ \\
& Yet another label & $\phantom{0}5$ & $15.00$ & $3.082$ &
$58.20$ &
$\phantom{0}8.672$ \\
Third group & Some long label & $\phantom{0}4$ & $13.75$ &
$3.594$ &
$58.75$ & $\phantom{0}5.909$ \\
& Some other long label & $\phantom{0}4$ & $13.50$ & $1.732$
&
$46.50$ & $\phantom{0}3.786$ \\
& Yet another label & $\phantom{0}2$ & $16.00$ & $1.414$ &
$50.00$ &
$\phantom{0}4.243$ \\
& \hline % & & & & & \\
& All & $30$ & $15.13$ & $2.501$ & $55.37$ &
$\phantom{0}8.045$ \\
\hline
\end{tabular}
Please advise how to use Hline() in the example above. Regards,
Liviu
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