texr.options: Valid 'texr' Options
In MichaelChirico/texr: Send R objects to TeX

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Valid options to be passed to tex calls.

All methods for tex support the following arguments. They can either be passed through the options argument as a list (this approach facilitates producing a "theme" (or themes) across multiple tables in an analysis) or individually through the catch-all ....

align Alignment specifications to be passed through to LaTeX's \align{}; valid values are l, r, c, and p. p must be followed by a valid width specification. Must specify one alignment for each output column (be wary of alignment for row names). Default: NULL.
caption To be provided to LaTeX's \caption{}. See also caption.placement and label. Default: NULL.
caption.placement Should the caption be included above or below the output? Valid values are "top", "above", "bottom", and "below". Default: "above".
digits For numeric input x, this number is passed to base::round's digits argument to truncate output as specified. Default: NULL.
file If specified, the output is saved to file. Default: "" (so printed in stdout).
floating.environment Currently supported environments are table and sidewaystable. Default: "table".
hline.after After which rows of the output should a horizontal line be included (via \hline)? Must be in the range [-1, nrow(x)] if use.col is TRUE or "col", else in [0, nrow(x)]. See use.dims and vline.after. Default: NULL.
label To be provided to LaTeX's \label{}. Always included directly below \caption{}. Default: NULL.
line.ends logical; mainly for internal use, for "glue-ing" columns together. If FALSE, the typical line end (\) is excluded; this will lead to unexpected/erroneous output if used improperly. Default: TRUE.
line.split How should lines be separated in the output? Common usage is to just separate lines with a newline (\n); this option is for convenience to LyX users, for whom double-newlines facilitate copy-pasting. Default: "\n".
na.char How should NA values be printed? Default: "".
only.body logical; should meta-data (i.e., the \begin, \centering, \caption, etc.) be excluded, leaving only the main body of the table to be outputted? Default: FALSE.
placement Floating environment placement; valid values are !, h, t, b, and p. Default: "ht".
use.dims Which of row names and column names should be included in the output? If use.dims = TRUE, both are included; if use.dims = "row", only row names are included; if use.dims = "col", only column names are included; and if use.dims = FALSE, neither are included. Default: TRUE.
vline.after After which columns of the output should a vertical line be included (via | in the \align specification)? Must be in the range [-1, ncol(x)] if use.col is TRUE or "row", else in [0, ncol(x)]. See use.dims and hline.after. Default: NULL.