Identify and style summary rows

Usage

sumrow(
  rows,
  col = 1,
  hline = TRUE,
  hline2 = FALSE,
  bold = FALSE,
  it = FALSE,
  blank = NULL,
  label = NULL,
  depanel = TRUE
)

rows: integer or logical vector of rows that are summary rows
col: integer or character (name) column location that labels the summary row
hline: logical; if TRUE, a horizontal line will be placed above the summary row
hline2: logical; if TRUE a second line is added above and below the summary row
bold: logical; if TRUE, then the cell(s) identified by rows and col will be rendered in bold font
it: logical; if TRUE, then the cell(s) identified by rows and col will be rendered in italic font
blank: integer column positions in the summary row(s) to be made blank
label: character label to replace text in cell(s) marked by row(s) and `col
depanel: if TRUE, then these rows are not included in panel determination