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Noun
1. design matrixMathematics
Wikipedia definition
2. Design matrixIn statistics, a design matrix is a matrix of explanatory variables, often denoted by X, that is used in certain statistical models, e.g. , the general linear model. It can contain indicator variables (ones and zeros) that indicate group membership in an ANOVA. The design matrix represents the independent variables in statistical models which describe observed data in terms of other known variables (explanatory variables).
Read “Design matrix” on English Wikipedia
Read “計画行列” on Japanese Wikipedia
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