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单词 log-normal
释义

Definition of log-normal in English:

log-normal

adjectivelɒɡˈnɔːməllôɡˈnôrməl
Statistics
  • Of or denoting a set of data in which the logarithm of the variate is distributed according to a normal distribution.

    〔统计〕对数正态的

    Example sentencesExamples
    • We have also confirmed the fits by checking the Quantile-Quantile plots for log-normal and normal distributions.
    • As a result, the exposures do not follow a normal distribution but generally follow a log-normal distribution covering a wide range of exposures.
    • Hence, the development of log-normal weight frequency distributions is not proof of competitive interactions between plants.
    • 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.
    • For complex situations, the distributions will be log-normal, or even bimodal.

Derivatives

  • log-normality

  • noun
    Statistics
    • 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
    Statistics
    • Because measurements of nonspecific airway responsiveness are log-normally distributed in the population, an arbitrary cutoff has been selected in defining an abnormal test.
      Example sentencesExamples
      • 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.
      • The physiologic measurements and cytokine concentrations were log-normally distributed, whereas the other microbial variables were highly skewed.
      • Nasal lavage parameters were distributed log-normally, and, therefore, were log-transformed before analysis.
      • The shape of the distributions approximates a normal distribution and indicates that fractional expression costs are log-normally distributed.

Definition of log-normal in US English:

log-normal

adjectivelôɡˈnôrməl
Statistics
  • Of or denoting a set of data in which the logarithm of the variate is distributed according to a normal distribution.

    〔统计〕对数正态的

    Example sentencesExamples
    • For complex situations, the distributions will be log-normal, or even bimodal.
    • Hence, the development of log-normal weight frequency distributions is not proof of competitive interactions between plants.
    • 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.
    • As a result, the exposures do not follow a normal distribution but generally follow a log-normal distribution covering a wide range of exposures.
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更新时间:2024/12/27 0:34:04