Sequential Testing Analysis

Function for Sequential Testing Analysis. Analyzes how diagnostic accuracy changes when applying two tests in sequence (screening followed by confirmation).

Usage

sequentialtests(
  test1_name = "Screening Test",
  test1_sens = 0.95,
  test1_spec = 0.7,
  test2_name = "Confirmatory Test",
  test2_sens = 0.8,
  test2_spec = 0.98,
  strategy = "serial_positive",
  prevalence = 0.1,
  show_explanation = TRUE,
  show_formulas = FALSE,
  show_nomogram = FALSE
)

Arguments

test1_name

.

test1_sens

.

test1_spec

.

test2_name

.

test2_sens

.

test2_spec

.

strategy

.

prevalence

.

show_explanation

.

show_formulas

.

show_nomogram

.

Value

A results object containing:

results$summary_table					a table
results$individual_tests_table					a table
results$population_flow_table					a table
results$explanation_text					a html
results$formulas_text					a html
results$plot_nomogram					an image

Tables can be converted to data frames with asDF or as.data.frame. For example:

results$summary_table$asDF

as.data.frame(results$summary_table)

Examples

# \donttest{
# example will be added
# }