I'm looking for an R method to produce latex versions of tables for
table/array objects of 3 or more dimensions,
which, of necessity is flattened to a 2D display, for example with
ftable(), or vcd::structable, as shown below.
I'd be happy to settle for a flexible solution for the 3D case.
> UCB <- aperm(UCBAdmissions, c(2, 1, 3))
> ftable(UCB)
Dept A B C D E F
Gender Admit
Male Admitted 512 353 120 138 53 22
Rejected 313 207 205 279 138 351
Female Admitted 89 17 202 131 94 24
Rejected 19 8 391 244 299 317
> structable(Dept ~ Admit+Gender, UCBAdmissions)
Dept A B C D E F
Admit Gender
Admitted Male 512 353 120 138 53 22
Female 89 17 202 131 94 24
Rejected Male 313 207 205 279 138 351
Female 19 8 391 244 299 317
I tried using the xtable package but discovered that xtable.table is
silently
wrong for tables of length(dim(x))>2. E.g., for a 2 x 2 x 6 table, we
get only UCBAdmissions[,,1]
> xtable(UCBAdmissions)
% latex table generated in R 2.11.1 by xtable 1.5-6 package
% Tue Nov 16 13:23:44 2010
\begin{table}[ht]
\begin{center}
\begin{tabular}{rrr}
\hline
& Male & Female \\
\hline
Admitted & 512.00 & 89.00 \\
Rejected & 313.00 & 19.00 \\
\hline
\end{tabular}
\end{center}
\end{table}
>
The author of xtable tells me that only 2-way tables are presently
implemented, and, while I would normally
look to Hmisc for all things LaTeX, I don't find anything useful there:
> library(Hmisc)
> methods("latex")
[1] latex.bystats latex.bystats2
[3] latex.default latex.describe
[5] latex.describe.single latex.function
[7] latex.list latex.responseSummary
[9] latex.summary.formula.cross latex.summary.formula.response
[11] latex.summary.formula.reverse
> latex(UCB)
Error in x[, j] : incorrect number of dimensions
> traceback()
3: format.df(object, dcolumn = dcolumn, na.blank = na.blank,
numeric.dollar = numeric.dollar,
cdot = cdot, math.row.names = math.row.names, math.col.names =
math.col.names,
double.slash = double.slash, ...)
2: latex.default(UCB)
1: latex(UCB)
--
Michael Friendly Email: friendly AT yorku DOT ca
Professor, Psychology Dept.
York University Voice: 416 736-5115 x66249 Fax: 416 736-5814
4700 Keele Street Web: http://www.datavis.ca
Toronto, ONT M3J 1P3 CANADA
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