distributionby
Distributionby is a term encountered in some data-analysis contexts to describe the distribution of a variable when data are partitioned by another variable. It is not a widely standardized term in statistics, and its exact meaning can vary by software and domain. In many cases, it functions as a shorthand for producing distributional summaries within subgroups defined by a by-variable.
In statistical practice, the closest formal concepts are conditional distributions and stratified distributions. These describe how
In software libraries, distributionby may refer to a feature or function that groups data by a key
Common use cases include comparing distributions of a variable across demographic groups, regions, time periods, or
See also: groupby, conditional distribution, stratified analysis, descriptive statistics.