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Nature, 1950
IN the determination of the size-frequency distribution of a particulate material by sieve analysis, it is often assumed1 that the rate of sieving is proportional to the quantity of material on the sieve. If y is the amount of material of size smaller than the sieve mesh at any time t, this assumption leads to the equation y/y0 = exp (− at), where a is
J K, ALDERMAN, B, STANDING
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IN the determination of the size-frequency distribution of a particulate material by sieve analysis, it is often assumed1 that the rate of sieving is proportional to the quantity of material on the sieve. If y is the amount of material of size smaller than the sieve mesh at any time t, this assumption leads to the equation y/y0 = exp (− at), where a is
J K, ALDERMAN, B, STANDING
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Species Frequency Distributions
Biometrika, 1969This paper deals with the branch of statistical ecology which studies the pattern of variation in the abundances of the different species present in a habitat, as distinct from the actual abundances of a fixed set of species. Much of the work in this field has been done by ecologists, the leading contributor being C. B.
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Graphing the frequency distribution
Journal of Audiovisual Media in Medicine, 1980The well designed frequency distribution graph reveals central tendency and dispersion of the data. Close attention to several small points - zero baseline, equal intervals, and number and size of intervals - can distinguish a meaningful graph from a misleading or confusing one. A frequency distribution graph is the visual expression of how often (fre-'
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Distribution of Word Frequencies
Nature, 1957THE purpose of this communication is to explain, in terms of the theory of information, the implications of the Zipf distribution of word frequencies1. The distribution is formally identical with the Pareto income and Willis taxonomic distributions, but the present discussion is restricted to word frequencies.
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INEQUALITIES FOR MULTIVARIATE FREQUENCY DISTRIBUTIONS
Biometrika, 1942Not ...
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Deep neural networks for the evaluation and design of photonic devices
Nature Reviews Materials, 2020Jiaqi Jiang +2 more
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