
#table(
    rows: 8,
    columns: 4,
    column-gutter: 0.25em,
    align: (left, left, center, center),
    stroke: none,
    table.header(
        table.hline(y: 0, stroke: 1pt),
        [],
        [],
        table.cell(colspan: 2)[*#"group3"*],
        table.hline(y: 1, start: 2, end: 4, stroke: 0.75pt),
        [],
        [],
        [#"c"],
        [#"d"],
        [*#"group1"*],
        [*#"group2"*],
        table.cell(colspan: 2)[*#"value1"*],
        table.hline(y: 3, stroke: 0.75pt),
    ),
    table.cell(rowspan: 2)[#"a"],
    [#"e"],
    [#"1"],
    [#"3"],
    [#"f"],
    [#"2"],
    [#"4"],
    table.cell(rowspan: 2)[#"b"],
    [#"e"],
    [#"5"],
    [#"7"],
    [#"f"],
    [#"6"],
    [#"8"],
    [],
    [*#"mean"*],
    [#"3.5"],
    [#"5.5"],
    table.hline(y: 8, stroke: 1pt),
)
