% Generated by roxygen2: do not edit by hand
% Please edit documentation in R/precrec.R
\docType{data}
\name{IB500}
\alias{IB500}
\title{Imbalanced data with 500 positives and 5000 negatives.}
\format{
A list with 8 items.
\describe{
  \item{np}{number of positives: 500}
  \item{nn}{number of negatives: 5000}
  \item{labels}{labels of observed data}
  \item{random_scores}{scores of a random performance level}
  \item{poor_er_scores}{scores of a poor early retrieval level}
  \item{good_er_scores}{scores of a good early retrieval level}
  \item{excel_scores}{scores of an excellent level}
  \item{perf_scores}{scores of the perfect level}
}
}
\usage{
data(IB500)
}
\description{
A list contains labels and scores of five different performance levels.
All scores were randomly generated.
}
\keyword{datasets}
