Ordinary Least Squares (OLS) Assumptions:
Orthogonality Independence Homoskedasticity Exogeneity Linearity Normality
Non-Linear Least Squares (NLS) Assumptions:
Orthogonality Independence Homoskedasticity Exogeneity Normality
Weighted Least Squares (WLS) Assumptions:
Orthogonality Independence Exogeneity Linearity Normality
Two-Stage Least Squares / Instrumental Variables (2SLS / IV) Assumptions
Orthogonality Independence Homoskedasticity Linearity Normality
Generalized Least Squares (GLS) Assumptions
Orthogonality
Exogeneity
Linearity
Normality
Generalized Method of Moments (GMM) Assumptions
Orthogonality
Linearity
Normality
Maximum Likelihood (ML) Assumptions
Exogeneity
Normality