enrichvs (version 0.0.3)

enrichment_factor: Enrichment factor calculation

Description

This program calculate enrichment factors of virtual screening

Usage

enrichment_factor(x, y, top=0.05, decreasing=TRUE)

Arguments

x

a vector for scores

y

a vector for labels

top

thresholed ratio of top-ranked compound

decreasing

TRUE if the compounds are ranked by decreasing score

Value

• a value, EF

Examples

x <- rnorm(1000)  # random scores for 1000 compounds
y <- c(rep(1,50), rep(0,950))     # activity labels for "x"
enrichment_factor(x, y, top=0.1)

data(dud_egfr)
enrichment_factor(dud_egfr[,1], dud_egfr[,2], decreasing=FALSE)