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PlusMinus

Generate x +/- y terms in table.


Description

This function generates a component of a table formula to output two columns separated by a +/- sign. It is designed only for LaTeX output.

Usage

PlusMinus(x, y, head, xhead, yhead, digits = 2, 
          character.only = FALSE, ...)

Arguments

x,y

Expressions to be displayed in the columns on the left and right of the +/- sign, respectively.

head

If not missing, this will be used as a column heading for the two columns.

xhead, yhead

If not missing, these will be used as individual column headings.

digits, ...

Parameters to pass to the format function.

character.only

If TRUE, the head, xhead and yhead arguments will be interpreted as expressions evaluating to character values.

Value

An expression which will produce the requested output in LaTeX.

Examples

stderr <- function(x) sd(x)/sqrt(length(x))
toLatex( tabular( (Species+1) ~ Sepal.Length*
          PlusMinus(mean, stderr, digits=1), data=iris ) )

tables

Formula-Driven Table Generation

v0.9.6
GPL-2
Authors
Duncan Murdoch
Initial release

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