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In probability theory and statistics, the Zipf–Mandelbrot law is a discrete probability distribution. Also known as the Pareto–Zipf law, it is a power-law distribution on ranked data, named after the linguist George Kingsley Zipf who suggested a simpler distribution called Zipf's law, and the mathematician Benoit Mandelbrot, who subsequently generalized it. The probability mass function is given by: where is given by:

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  • Llei de Zipf-Mandelbrot (ca)
  • Zipf–Mandelbrot law (en)
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  • En teoria de probabilitat i estadística, la llei de Zipf-Mandelbrot és una distribució de probabilitat discreta. També coneguda com la llei de Pareto-Zipf, és una distribució de a les , anomenada així pel lingüista George Kingsley Zipf qui va suggerir una distribució més senzilla anomenada llei de Zipf i el matemàtic Benoit Mandelbrot, que posteriorment la va generalitzar. La funció de massa de probabilitat ve donada per: on és donat per: (ca)
  • In probability theory and statistics, the Zipf–Mandelbrot law is a discrete probability distribution. Also known as the Pareto–Zipf law, it is a power-law distribution on ranked data, named after the linguist George Kingsley Zipf who suggested a simpler distribution called Zipf's law, and the mathematician Benoit Mandelbrot, who subsequently generalized it. The probability mass function is given by: where is given by: (en)
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  • Zipf–Mandelbrot (en)
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  • En teoria de probabilitat i estadística, la llei de Zipf-Mandelbrot és una distribució de probabilitat discreta. També coneguda com la llei de Pareto-Zipf, és una distribució de a les , anomenada així pel lingüista George Kingsley Zipf qui va suggerir una distribució més senzilla anomenada llei de Zipf i el matemàtic Benoit Mandelbrot, que posteriorment la va generalitzar. La funció de massa de probabilitat ve donada per: on és donat per: que es pot considerar com una generalització d'un nombre harmònic. A la fórmula, és el rang de les dades i són paràmetres de la distribució. En el límit de quan s'acosta a l'infinit, es converteix en la funció zeta d'Hurwitz . Per a finit i la llei de Zipf-Mandelbrot es converteix en la llei de Zipf. Per a infinit i es converteix en la . (ca)
  • In probability theory and statistics, the Zipf–Mandelbrot law is a discrete probability distribution. Also known as the Pareto–Zipf law, it is a power-law distribution on ranked data, named after the linguist George Kingsley Zipf who suggested a simpler distribution called Zipf's law, and the mathematician Benoit Mandelbrot, who subsequently generalized it. The probability mass function is given by: where is given by: which may be thought of as a generalization of a harmonic number. In the formula, is the rank of the data, and and are parameters of the distribution. In the limit as approaches infinity, this becomes the Hurwitz zeta function . For finite and the Zipf–Mandelbrot law becomes Zipf's law. For infinite and it becomes a Zeta distribution. (en)
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