(economics) A measure of the size of firms in relation to the industries they operate in, serving to indicate the amount of competition among them.

(medicine) The level of suspicion that a disease or condition is the underlying diagnosis based on the available findings in a patient.

plural of misery index

An author-level metric that attempts to measure both the productivity and the citation impact of the publications of a scientist or scholar, based on a set of most cited papers and the number of citations in other publications.

plural of index fund

(finance) A fund that tracks a specific basket of underlying investments.

plural of Jaccard index

(statistics) A statistic for gauging the similarity and diversity of sample sets, based on the size of the intersection between the sets divided by the size of the union of the sets.

plural of price index

plural of business index