difference in difference

difference in difference (DD) method

Difference-in-difference

asymptotic Chi squared destribution

Iterative generalized least squared estimation

least squared criterion

mean squared error

mean squared error criterion

mean squared error matrix

normalized squared error

Partial least squared class model

pretensioned prefabricated squared pile

residual squared slowness semblance

Root Mean Squared Error

squared paper

Squared Reduced Matrix Elements

Squared stone

squared stone masonry

Squared stone pavement

Squared timber