Tabulate the number of rows in a data frame.
Usage
ard_tabulate_rows(
data,
colname = "..row_count..",
by = dplyr::group_vars(data),
strata = NULL,
fmt_fun = NULL
)Arguments
- data
(
data.frame)
a data frame- colname
(
string)
name of the column that will be returned along with the row tabulation.- by, strata
(
tidy-select)
columns to use for grouping or stratifying the table output. Arguments are similar, but with an important distinction:by: results are tabulated by all combinations of the columns specified, including unobserved combinations and unobserved factor levels.strata: results are tabulated by all observed combinations of the columns specified.Arguments may be used in conjunction with one another.
- fmt_fun
(
formula-list-selector)
a named list, a list of formulas, or a single formula where the list element is a named list of functions (or the RHS of a formula), e.g.list(mpg = list(mean = \(x) round(x, digits = 2) |> as.character())).
Examples
ard_tabulate_rows(ADSL, by = TRTA)
#> # An ARD data frame: 3 × 11
#> group1 group1_level variable variable_level context stat_name stat_label stat
#> <chr> <list> <chr> <list> <chr> <chr> <chr> <lis>
#> 1 TRTA Placebo ..row_c… TRUE tabula… n n 86
#> 2 TRTA Xanomeline … ..row_c… TRUE tabula… n n 84
#> 3 TRTA Xanomeline … ..row_c… TRUE tabula… n n 84
#> # ℹ 3 more variables: fmt_fun <list>, warning <list>, error <list>
