R sensitivity()

1 개요

R sensitivity()

library(caret) # sensitivity()
t <- as.table(rbind(c(231, 32), c(27, 54)))
dimnames(t) <- list(pred = c("abnormal", "normal"), truth = c("abnormal", "normal"))
t
sensitivity(t)

library(caret) # sensitivity()
lvs <- c("normal", "abnormal")
truth <- factor(rep(lvs, times = c(86, 258)), levels = rev(lvs))
pred <- factor(
  c(rep(lvs, times = c(54, 32)), rep(lvs, times = c(27, 231))),               
  levels = rev(lvs))
xtab <- table(pred, truth)
xtab
sensitivity(pred, truth)
sensitivity(xtab)

2 같이 보기

• 민감도
• R specificity()
• R confusionMatrix() ★

3 참고

• https://www.rdocumentation.org/packages/caret/versions/6.0-86/topics/negPredValue