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.
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
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).
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.