| 单词 | probability density |
| 释义 | > as lemmasprobability density probability density n. [after German Wahrscheinlichkeitsdichte ( A. A. Markov Wahrscheinlichkeitsrechnung (1912) v. 155; also R. von Mises 1919, in Math. Zeitschr. 5 70)] Statistics a probability distribution that is a continuous function. ΘΚΠ the world > relative properties > number > probability or statistics > [noun] > distribution distribution1854 random distribution1882 frequency distribution1895 probability distribution1895 Poisson distribution1898 binomial distribution1911 Student's t-distribution1925 sampling distribution1928 probability density1931 Poisson1940 beta distribution1941 Cauchy distribution1948 geometric distribution1950 1931 Ann. Math. Statistics 2 372 The probability density..has spherical symmetry about the origin. 1939 H. Jeffreys Theory of Probability i. 24 We shall usually write this briefly P(dx|p) = f′(x)dx, dx on the left meaning the proposition that x lies in a particular range dx. f′(x) is called the probability density. 1994 Nature 24 Mar. 298/1 The answer is given by the conditional probability density in the form of a beta distribution. < as lemmas |
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