PresenceAbsence (version 1.1.9)

sensitivity: Sensitivity

Description

sensitivity calculates the sensitivity and (optionally) the associated standard deviation from a confusion matrix.

Usage

sensitivity(CMX, st.dev = TRUE)

Arguments

CMX

a confusion matrix - output from cmx

st.dev

a logical indicating whether the associated standard deviation should be calculated

Value

if st.dev = FALSE, returns: sensitivity.

if st.dev = TRUE, returns a dataframe where:

[1,1]

sensitivity

Details

Sensitivity is the proportion of observed positives correctly predicted, and reflects a model's ability to predict a presence given that a species actually occurs at a location.

See Also

cmx, pcc, specificity, Kappa, auc

Examples

# NOT RUN {
data(SIM3DATA)

sensitivity(cmx(SIM3DATA))

sensitivity(cmx(SIM3DATA),st.dev=FALSE)
# }