This function calculates the Rao-Stirling diversity index of one or several publications, based on the count of citations of the publication(s) to different disciplines.
Vector or matrix that contains the counts of references to different disciplines of a single publication (vector) or of several publications (matrix). If count.matrix is a vector its length is equal to the total number of disciplines. In case it is a matrix its dimensions are n x m, being n the total number of disciplines and m the number of publications for which the lower/upper bound will be computed.
A positive semi-definite matrix that encodes the similarity between disciplines, as explain in Porter and Rafols (2009).
The dimensions of this matrix are n x n, being n the total number of disciplines.
The number of rows and the number columns of this matrix need to be equal to the number of rows of
The Rao-Stirling diversity index of one or several publications.
Porter, A. and Rafols, I. (2009) Is science becoming more interdisciplinary? Measuring and mapping six research fields over time. Scientometrics, Vol. 81, No. 3 (719-745). DOI:10.1007/s11192-008-2197-2
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