specificity: Estimating specificity

Description Usage Arguments Details Value Examples

View source: R/classifierTesting.R

Description

Computes the specificity of a classifier, by using recorded data vs data predicted by a classifier.

Usage

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specificity(pred, truth)

Arguments

pred

A logical (T=positive, F=negative) or numeric (1=positive, 0=negative) vector of positives and negatives provided by the classifier.

truth

A logical (T=positive, F=negative) or numeric (1=positive, 0=negative) vector of positives and negatives measured.

Details

Equation used is # True Negatives / # All Negatives.

Value

A value from 0 (low specificity) to 1 (high specificity).

Examples

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pred_values=sample(c(0,1),replace=T,size=100)
true_values=sample(c(0,1),replace=T,size=100)
specificity(pred_values,true_values)

loublanpain/BMI585FinalProjectLouBlanpain documentation built on Dec. 21, 2021, 11:49 a.m.