heart {nonbinROC} | R Documentation |
A data frame giving a series of ordinal measurements of the positron emission tomography and magnetic resonance imaging scans for the heart tissues of 241 fictitious patients after myocardial infarctions.
data(heart)
This data frame contains the following 2 variables:
PET
MRI
Obuchowski, N. A. (2005) Estimating and comparing diagnostic tests' accuracy when the gold standard is not binary. Academic Radiology, 12, 1198-1204.