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Kotomora

層そう別べつ

そ
う
べ
つ

Meanings

1

noun, noun or participle which takes 'suru', noun which may take the genitive case particle 'no'

stratification; classification; distribution by layer

Technical term used in statistics, quality control, and data analysis for dividing data into subgroups (strata) based on shared characteristics. Often appears in phrases like 層別抽出 (stratified sampling) or 層別分析 (stratified analysis).