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Similarity of Pratt's measure of class concentration to the Gini index

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  • Mark P. Carpenter

Abstract

Pratt's measure of concentration is shown to be nearly identical to an already established measure of concentration, the Gini index. Pratt's measure is shown to be an improvement over the Gini index.

Suggested Citation

  • Mark P. Carpenter, 1979. "Similarity of Pratt's measure of class concentration to the Gini index," Journal of the American Society for Information Science, Association for Information Science & Technology, vol. 30(2), pages 108-110, March.
    • Handle: RePEc:bla:jamest:v:30:y:1979:i:2:p:108-110
    DOI: 10.1002/asi.4630300210
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    Cited by:

    1. Leo Egghe & Ronald Rousseau, 2001. "Symmetric and Asymmetric Theory of Relative Concentration and Applications," Scientometrics, Springer;Akadémiai Kiadó, vol. 52(2), pages 261-290, October.
    2. Li, Jiang & Shi, Dongbo & Zhao, Star X. & Ye, Fred Y., 2014. "A study of the “heartbeat spectra” for “sleeping beauties”," Journal of Informetrics, Elsevier, vol. 8(3), pages 493-502.
    3. Díaz-Faes, Adrián A. & Costas, Rodrigo & Galindo, M. Purificación & Bordons, María, 2015. "Unravelling the performance of individual scholars: Use of Canonical Biplot analysis to explore the performance of scientists by academic rank and scientific field," Journal of Informetrics, Elsevier, vol. 9(4), pages 722-733.

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