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Dummy variables
Propensities
Error terms
Elasticities
Coefficients
Chi-squared
Macro variables
Weights matrices
Idempotent matrices
Eigenvalues and vectors
Hessians and Jacobians
Kroenecker products
Degrees of freedom
Interaction terms
t-statistics
Deltas
R-squared
Multipliers
Identity matrices
Data to support results
Grammian Matrices