A performance index approach to library collection

Purpose - The purpose of this paper is to demonstrate the new application of a performance index (p-index), extending its use to libraries for measuring and evaluating library circulation statistics in terms of quality and quantity of library books usage by subjects. Design/methodology/approach - The study uses NISCAIR library circulation data and computes p-index as well as h-index for comparing usage in different subjects. Findings - The results indicate that a two dimensional map of quality vs quantity of transactions can be used for better understanding and evaluation of library usage. Research limitations/implications - The h- and p-indices and the quality-quantity maps can be used as a benchmark for monitoring library performance in addition to finding out high value areas in the library collection, high value users, and high value books. Practical implications - The paper is able to supplement the insights normally available from routine statistical analysis of circulation data. Originality/value - This study may help in providing knowledge/insights in building up collections.