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show_variable_missing_values

Source: R/missing_value_explore_plot.R
show_variable_missing_values.Rd

show missing values for each variable

Usage

show_variable_missing_values(
  object,
  color_by,
  order_by,
  percentage = FALSE,
  show_x_text = FALSE,
  show_x_ticks = FALSE,
  desc = FALSE
)

Arguments

object

(required) mass_dataset class object.

color_by

which column (in variable_info) is used to color variables

order_by

which column (in variable_info) is used to order variables

percentage

show MV percentage? TRUE or FALSE

show_x_text

show x axis text or not? TRUE or FALSE

show_x_ticks

show x ticks or not? TRUE or FALSE

desc

descend sample order or not. TRUE or FALSE.

Value

A ggplot2 object

Author

Xiaotao Shen xiaotao.shen@outlook.com

Examples

data("expression_data")
data("sample_info")
data("variable_info")

object <- create_mass_dataset(
  expression_data = expression_data,
  sample_info = sample_info,
  variable_info = variable_info
)

show_variable_missing_values(object)

show_variable_missing_values(object, color_by = "mz")

show_variable_missing_values(object, color_by = "rt") +
  ggplot2::scale_color_gradient(low = "skyblue", high = "red")


show_variable_missing_values(object, color_by = "mz",
                             order_by = "na")

show_variable_missing_values(object, color_by = "mz",
                             order_by = "na",
                           desc = TRUE, percentage = TRUE)