单词 | zipf curve |
释义 | > as lemmasZipf curve 2. As a modifier. Designating statistical concepts based on versions or applications of Zipf's law, as in Zipf curve, Zipf distribution, Zipf relation, etc. ΚΠ 1953 Population Index 19 275/1 A description of the peculiarities of the distribution of towns by size, 1951, with discussion of economic factors and applications of the Zipf analysis. 1961 Jrnl. Royal Statist. Soc. A. 124 6 There are theoretical reasons..for regarding the Zipf distribution as an approximation to a more general distribution which Simon has christened the Yule distribution. 1995 Computers & Humanities 29 328/2 The Zipf curve, as refined by B. Mandelbrot, indicates that the relationship between size and frequency is a constant. 1995 Sci. Amer. Mar. 12/3 The researchers..grouped pairs of nucleotides to create words between three and eight base pairs long... In every case, they found that noncoding regions followed the Zipf relation more closely than did coding regions. 2005 Guardian 24 Mar. (Life section) 24/2 To put it crudely, there are a small number of words that appear very frequently: the, of, to, and, a, in, etc. After that, there is a steep decline, followed by tens of thousands of words that appear relatively rarely: palimpsest, lapidary, rodomontade, epalpebrate, and so on. When you graph what is now often called the Zipf distribution, these rare words form the long tail that tapers off to the right. < as lemmas |
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