R Graphical Manual

Last data update: 2014.03.03

R: sensitivity and specificity of an assessment instrument

sens.spec

R Documentation

sensitivity and specificity of an assessment instrument

This function generates sensitivity and specificity for all possible cut-off-points of an assessment instrument using the assessment-scores.

sens.spec(x, y, risk = 1, dir = "LESS", plot = F)

`x`	score of an assessment-instrument (numeric)
`y`	a factor which classify x to positive or negative group
`risk`	y-value for the positive group (e.g. 1 or "y"))
`dir`	"LESS" if a low (x) leads to positive group; "GREATER" wether a high (x) leads to positive group
`plot`	logical wether a plot should be generated

Produnis

# Using the cms-Dataset
## Not run: sens.spec(cms$ascore, cms$arisk, risk=1)