Skip to contents

teal Module: Simple Bar Chart and Table of Counts per Category

Source: R/tm_g_barchart_simple.R
tm_g_barchart_simple.Rd

This module produces a ggplot2::ggplot() type bar chart and summary table of counts per category.

Usage 

tm_g_barchart_simple(
  x = NULL,
  fill = NULL,
  x_facet = NULL,
  y_facet = NULL,
  label = "Count Barchart",
  plot_options = NULL,
  plot_height = c(600L, 200L, 2000L),
  plot_width = NULL,
  pre_output = NULL,
  post_output = NULL,
  ggplot2_args = teal.widgets::ggplot2_args()
)

Arguments

x

(data_extract_spec)
variable on the x-axis.

fill

(data_extract_spec)
grouping variable to determine bar colors.

x_facet

(data_extract_spec)
row-wise faceting groups.

y_facet

(data_extract_spec)
column-wise faceting groups.

label

(character)
menu item label of the module in the teal app.

plot_options

(list)
list of plot options.

plot_height

(numeric) optional
vector of length three with c(value, min, max). Specifies the height of the main plot and renders a slider on the plot to interactively adjust the plot height.

plot_width

(numeric) optional
vector of length three with c(value, min, max). Specifies the width of the main plot and renders a slider on the plot to interactively adjust the plot width.

pre_output

(shiny.tag) optional,
with text placed before the output to put the output into context. For example a title.

post_output

(shiny.tag) optional,
with text placed after the output to put the output into context. For example the shiny::helpText() elements are useful.

ggplot2_args

(ggplot2_args) optional
object created by teal.widgets::ggplot2_args() with settings for the module plot. The argument is merged with option teal.ggplot2_args and with default module arguments (hard coded in the module body). For more details, see the vignette: vignette("custom-ggplot2-arguments", package = "teal.widgets").

Value

a teal_module object.

Details

Categories can be defined up to four levels deep and are defined through the x, fill, x_facet, and y_facet parameters. Any parameters set to NULL (default) are ignored.

See also

The TLG Catalog where additional example apps implementing this module can be found.

Examples 

library(nestcolor)
library(dplyr)

ADSL <- tmc_ex_adsl %>%
  mutate(ITTFL = factor("Y") %>%
    with_label("Intent-To-Treat Population Flag"))
ADAE <- tmc_ex_adae %>%
  filter(!((AETOXGR == 1) & (AESEV == "MILD") & (ARM == "A: Drug X")))

app <- init(
  data = cdisc_data(
    ADSL = ADSL,
    ADAE = ADAE,
    code = "ADSL <- tmc_ex_adsl %>%
              mutate(ITTFL = factor(\"Y\") %>%
              with_label(\"Intent-To-Treat Population Flag\"))
            ADAE <- tmc_ex_adae %>%
              filter(!((AETOXGR == 1) & (AESEV == \"MILD\") & (ARM == \"A: Drug X\")))"
  ),
  modules = modules(
    tm_g_barchart_simple(
      label = "ADAE Analysis",
      x = data_extract_spec(
        dataname = "ADSL",
        select = select_spec(
          choices = variable_choices(
            ADSL,
            c(
              "ARM", "ACTARM", "SEX",
              "RACE", "ITTFL", "SAFFL", "STRATA2"
            )
          ),
          selected = "ACTARM",
          multiple = FALSE
        )
      ),
      fill = list(
        data_extract_spec(
          dataname = "ADSL",
          select = select_spec(
            choices = variable_choices(
              ADSL,
              c(
                "ARM", "ACTARM", "SEX",
                "RACE", "ITTFL", "SAFFL", "STRATA2"
              )
            ),
            selected = "SEX",
            multiple = FALSE
          )
        ),
        data_extract_spec(
          dataname = "ADAE",
          select = select_spec(
            choices = variable_choices(ADAE, c("AETOXGR", "AESEV", "AESER")),
            selected = NULL,
            multiple = FALSE
          )
        )
      ),
      x_facet = list(
        data_extract_spec(
          dataname = "ADAE",
          select = select_spec(
            choices = variable_choices(ADAE, c("AETOXGR", "AESEV", "AESER")),
            selected = "AETOXGR",
            multiple = FALSE
          )
        ),
        data_extract_spec(
          dataname = "ADSL",
          select = select_spec(
            choices = variable_choices(
              ADSL,
              c(
                "ARM", "ACTARM", "SEX",
                "RACE", "ITTFL", "SAFFL", "STRATA2"
              )
            ),
            selected = NULL,
            multiple = FALSE
          )
        )
      ),
      y_facet = list(
        data_extract_spec(
          dataname = "ADAE",
          select = select_spec(
            choices = variable_choices(ADAE, c("AETOXGR", "AESEV", "AESER")),
            selected = "AESEV",
            multiple = FALSE
          )
        ),
        data_extract_spec(
          dataname = "ADSL",
          select = select_spec(
            choices = variable_choices(
              ADSL,
              c(
                "ARM", "ACTARM", "SEX",
                "RACE", "ITTFL", "SAFFL", "STRATA2"
              )
            ),
            selected = NULL,
            multiple = FALSE
          )
        )
      )
    )
  )
)
#> Initializing tm_g_barchart_simple
if (interactive()) {
  shinyApp(app$ui, app$server)
}