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

What is a lognormal distribution? A lognormal distribution is one where the logarithm of the variable of interest is normally distributed. Consequently, the lognormal variable itself is strictly …

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 …

The log normal distribution explained, with detailed proofs of important results.

The values of the location and scale parameters relate to the normal distribution that the log-transformed data follow, which statisticians also refer to as the logged distribution.

Aug 23, 2025 · Discover what a log-normal distribution is, its financial applications, and how to calculate it, including using Excel for practical financial analysis.

May 21, 2025 · Learn how the log-normal distribution helps data practitioners model positive, right-skewed data by understanding the simple transformation relationship between normal …

Jul 29, 2025 · A log distribution, also known as a log-normal distribution, describes a common and distinct pattern where data values are skewed, offering a powerful way to understand …

Guide to what is Log Normal Distribution. We explain its formula with examples, graph, properties, and when to use & vs normal distribution.