In computational statistics, stratified sampling is a method of variance reduction.
The clarification for the fields in the template is given in the Interaction template (Actant Dictionary).
|Social actors and roles||the analyst|
|Trigger or preceding interaction||Determination of the population (of entities)|
|Interfaces and services||Variant descriptions|
|Inputs and outputs||input: a population; output: homogeneous subgroups of the population, with each member included in exactly one subgroup.|
|Stores and tools||Definition of the observed variation.|
|Further reading||Stratified Sampling (Wikipedia)|
Position of Stratification among the interactions: