单词	log-normal
释义	log-normal /lɒɡˈnɔːməl / adjective Statistics Of or denoting a set of data in which the logarithm of the variate is distributed according to a normal distribution.We have also confirmed the fits by checking the Quantile-Quantile plots for log-normal and normal distributions.... We also tested a normal distribution for our data, but found the log-normal distribution of error had a better fit on the data than the normal distribution. Hence, the development of log-normal weight frequency distributions is not proof of competitive interactions between plants. Derivatives log-normality noun ... The log-normality of the factors was compatible with the fact that they are positive variables and are based on dimension variables (length, diameter or mass). log-normally adverb ... The shape of the distributions approximates a normal distribution and indicates that fractional expression costs are log-normally distributed. Consequently, distribution parameters were estimated on the basis of the upper tail of the distribution, with the assumption that all data were log-normally distributed. Because measurements of nonspecific airway responsiveness are log-normally distributed in the population, an arbitrary cutoff has been selected in defining an abnormal test.
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