Quantitative Methods 2017

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NPV IN FORMULAE

P(ND|-) = P(-|ND) P(ND) /

P(-)

P(A|B) = P(B|A) P(A) /

P(B)

TN

FN

+

TN

NPV =

TN/All

(FN+TN) / All

NPV =

TN/(TN+FP) * (TN+FP)/All

P(-)

NPV =

P(-|ND)

* P(ND)

P(-)

NPV =

Specificity

NPV