Lines Matching refs:prevalence

17   prevalence = NULL,
25   prevalence = NULL,
33   prevalence = NULL,
56 \item{prevalence}{a numeric value or matrix for the rate of the "positive"
57 class of the data. When \code{data} has two levels, \code{prevalence} should
70 value, negative predictive value, precision, recall, F1, prevalence,
71 detection rate, detection prevalence and balanced accuracy for each class.
84 argument. Also, the prevalence of the "event" is computed from the data
86 events also predicted to be events) and the detection prevalence (the
87 prevalence of predicted events).
96 prevalence)/((sensitivity*prevalence) + ((1-specificity)*(1-prevalence)))}
97 \deqn{NPV = (specificity * (1-prevalence))/(((1-sensitivity)*prevalence) +
98 ((specificity)*(1-prevalence)))} \deqn{Detection Rate = A/(A+B+C+D)}
145 confusionMatrix(xtab, prevalence = 0.25)