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Monthly Archives: January 2016
CLRM – Assumption 3: Explanatory Variables must be exogenous
Assumption 3, exogeneity of explanatory variables requires that the explanatory variables in the model do not explain variation in the error terms, formally we express assumption 3 as
Posted in Econometrics
5 Comments
CLRM – Assumption 2: Full Rank of Matrix X
Assumption 2 requires the matrix of explanatory variables to have full rank. This means that in case matrix is a matrix the rank of matrix is . Namely,
Posted in Econometrics
6 Comments