Share this entry

Share this page

log-normal

Syllabification: log-nor·mal
Pronunciation: /lôɡˈnôrməl
 
/

Definition of log-normal in English:

adjective

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

1
noun
Example sentences
  • 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

2
adverb
Example sentences
  • 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.

Definition of log-normal in:

Share this entry

Share this page

 

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Get more from Oxford Dictionaries

Subscribe to remove ads and access premium resources

Word of the day tenebrous
Pronunciation: ˈtenəbrəs
adjective
dark; shadowy or obscure