I. K. Ravichandra Rao

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Fractional frequency distributions of e.g. authors with a certain (fractional) number of papers are very irregular and, therefore, not easy to model or to explain. This paper gives a first attempt to this by assuming two simple Lotka laws (with exponent 2) : one for the number of authors with n papers (total count here) and one for the number of papers with(More)
Two types of series of h-indices for journals published in the field of Horticulture during the period 1998–2007 are calculated. Type I h-indices are based on yearly data, while type II h-indices use cumulative data. These h-indices are also considered in a form normalised with respect to the number of published articles. It is observed that type I(More)