add_calculated_row.md
In cards: Analysis Results Data

add_calculated_row(x)

Code
  apply_fmt_fn(add_calculated_row(ard_continuous(mtcars, variables = mpg), expr = max -
    min, stat_name = "range"))
Message
  {cards} data frame: 9 x 9
Output
    variable   context stat_name stat_label   stat stat_fmt
  1      mpg continuo…         N          N     32       32
  2      mpg continuo…      mean       Mean 20.091     20.1
  3      mpg continuo…        sd         SD  6.027      6.0
  4      mpg continuo…    median     Median   19.2     19.2
  5      mpg continuo…       p25         Q1  15.35     15.4
  6      mpg continuo…       p75         Q3   22.8     22.8
  7      mpg continuo…       min        Min   10.4     10.4
  8      mpg continuo…       max        Max   33.9     33.9
  9      mpg continuo…     range      range   23.5     23.5
Message
  i 3 more variables: fmt_fn, warning, error

Code
  apply_fmt_fn(add_calculated_row(ard_continuous(mtcars, variables = mpg), expr = dplyr::case_when(
    mean > median ~ "Right Skew", mean < median ~ "Left Skew", .default = "Symmetric"),
  stat_name = "skew"))
Message
  {cards} data frame: 9 x 9
Output
    variable   context stat_name stat_label      stat   stat_fmt
  1      mpg continuo…         N          N        32         32
  2      mpg continuo…      mean       Mean    20.091       20.1
  3      mpg continuo…        sd         SD     6.027        6.0
  4      mpg continuo…    median     Median      19.2       19.2
  5      mpg continuo…       p25         Q1     15.35       15.4
  6      mpg continuo…       p75         Q3      22.8       22.8
  7      mpg continuo…       min        Min      10.4       10.4
  8      mpg continuo…       max        Max      33.9       33.9
  9      mpg continuo…      skew       skew Right Sk… Right Skew
Message
  i 3 more variables: fmt_fn, warning, error

add_calculated_row(expr) messaging

Code
  add_calculated_row(ard_continuous(mtcars, variables = mpg), expr = not_a_stat *
    2, stat_name = "this_doesnt_work")
Condition
  Error in `add_calculated_row()`:
  ! There was an error calculating the new statistic. See below:
  x object 'not_a_stat' not found

add_calculated_row(by) messaging

Code
  add_calculated_row(ard_continuous(mtcars, variables = mpg, by = cyl), expr = max -
    min, stat_name = "range", by = "context")
Condition
  Error in `add_calculated_row()`:
  ! Duplicate statistics present within `by` groups: "N", "mean", "sd", "median", "p25", "p75", "min", "max", "N", "mean", "sd", "median", "p25", "p75", "min", and "max"