Log-normal distribution ... In probability theory, a log-normal (or lognormal) distribution is a continuous probability distribution of a random variable whose logarithm is normally distributed.

Aug 23, 2025 · What Is a Log-Normal Distribution? A log-normal distribution represents a set of data that follows a normal distribution when logarithms are applied to its values.

May 21, 2025 · Now we can define it clearly: A log-normal distribution describes data where the logarithm of the values follows a normal distribution. If you take the natural log of log-normally …

As a result, the log-normal distribution has heavy applications to biology and finance, two areas where growth is an important area of study. In particular, epidemics and stock prices tend to …

Feb 16, 2022 · The log-normal distribution is a right skewed continuous probability distribution, meaning it has a long tail towards the right. It is used for modelling various natural phenomena …

What Is Log Normal Distribution? A log normal distribution is a continuous distribution of random variables whose logarithms distribute normally. In other words, the lognormal distribution …

A random variable is said to have a log-normal distribution if its natural logarithm has a normal distribution. In other words, the exponential of a normal random variable has a log-normal …

A lognormal distribution is one where the logarithm of the variable of interest is normally distributed. Consequently, the lognormal variable itself is strictly positive (i.e., >0) and often …

Dec 22, 2025 · A continuous distribution in which the logarithm of a variable has a normal distribution. It is a general case of Gibrat's distribution, to which the log normal distribution …

Jun 18, 2024 · A log-normal distribution describes the probability distribution of a random variable when its logarithm follows a normal distribution. In simpler terms, if the natural logarithm of a …