fc_modify {flowchart}

fc_modify

Description

This function allows to modify the '.$fc' tibble included in each fc object that contains all the parameters of the flowchart.

Usage

fc_modify(object, fun, ...)

Arguments

object

flowchart created as a fc object.

fun

A function or formula that will be applied to '.$fc'. If a _function_, it is used as is. If a _formula_, e.g. 'fun = ~.x |> mutate(x = x + 0.2)', it is converted to a function.

...

Additional arguments passed on to the mapped function.

Value

List with the dataset and the modified flowchart parameters.

Examples

#Example 1 (change text):
clinic_patient |>
  as_fc(label = "Patients included") |>
  fc_filter(age >= 18 & consent == "Yes", label = "Patients included", show_exc = TRUE) |>
  fc_modify(~.x |>
              dplyr::mutate(
                text = dplyr::case_when(
                  id == 3 ~ stringr::str_glue("Excluded patients:
                                     - {sum(clinic_patient$age < 18)} under-age
                                     - {sum(clinic_patient$consent == 'No')} no consent
                                     "),
                  TRUE ~ text
                )
              )) |>
  fc_draw()

#Example 2 (change coordinates):
clinic_patient |>
  as_fc(label = "Patients included") |>
  fc_filter(age >= 18 & consent == "Yes", label = "Patients included", show_exc = TRUE) |>
  fc_modify(~.x |>
             dplyr::mutate(
               x = dplyr::case_when(
                 id == 3 ~ 0.8,
                 TRUE ~ x
               ),
               y = dplyr::case_when(
                 id == 1 ~ 0.85,
                 id == 2 ~ 0.15,
                 id == 3 ~ 0.5
               )
             )) |>
   fc_draw()