Plot diagnostic test results

Draws a fourfold display of the retained confusion matrix with sensitivity and specificity annotated on the bottom margin.

Usage

# S3 method for class 'simtab_diag'
plot(x, col = c("#ffcccc", "#ccffcc"), main = "Confusion Matrix", ...)

Arguments

x

A simtab_diag result.

col

Character vector of length 2. Fill colours for the negative and positive quadrants respectively. Default: c("#ffcccc", "#ccffcc").

main

Character. Plot title. Default: "Confusion Matrix".

...

Additional arguments passed to graphics::fourfoldplot().

Value

Invisibly returns x.

Examples

d <- diag_test(epitabl, poc_hstn_positive, adjudicated_acs,
               positive = "Yes", test_positive = "Positive")
#> Removed 601 observation(s) with missing values (40.1%).
plot(d)