Build a multi-row column-header specification

Collects column-header rows, top-to-bottom, into a single object that can be passed to rtftable(col_header = ...). Each argument is one row; a row may be either:

Usage

rtf_col_header(...)

Arguments

...

Header rows in render order (top first).

Value

A list of class "rtf_col_header".

Details

a character vector

one label per data column (legacy form), or

a list of col_cell() objects

for a row with single and/or spanning cells.

Examples

rtf_col_header(
  list(col_cell(1, ""), col_cell(c(2, 5), "Treatment")),
  list(col_cell(1, ""),
       col_cell(c(2, 3), "Drug A"),
       col_cell(c(4, 5), "Drug B")),
  c("Item", "N", "Mean", "N", "Mean")
)
#> <rtf_col_header -- 3 rows>
#>   [1] cells: @1, Treatment@2-5
#>   [2] cells: @1, Drug A@2-3, Drug B@4-5
#>   [3] labels: "Item", "N", "Mean", "N", "Mean"