pv.wgs {DTComPair} | R Documentation |
Performs a test for differences in (positive and negative) predictive values of two binary diagnostic tests using a weighted generalized score statistic proposed by Kosinski (2013).
pv.wgs(tab)
tab |
An object of class |
A list containing:
ppv |
A list with |
npv |
A list with |
method |
The name of the method used to compare predictive values, here “weighted generalized score statistic (wgs)”. |
Kosinski, A.S. (2013). A weighted generalized score statistic for comparison of predictive values of diagnostic tests. Stat Med, 32(6):964-77.
data(Paired1) # Hypothetical study data
ftable(Paired1)
paired.layout <- tab.paired(d=d, y1=y1, y2=y2, data=Paired1)
paired.layout
wgs.results <- pv.wgs(paired.layout)
str(wgs.results)
wgs.results
wgs.results$ppv["p.value"]