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Density weighted linear least squares
Newey, Whitney K., (1994)
Models where the Least Trimmed Squares and Least Median of Squares estimators are maximum likelihood
Berenguer-Rico, Vanessa, (2019)
Models where the least trimmed squares and least median of squares estimators are maximum likelihood
An introduction to classical econometric theory
Ruud, Paul Arthur, (2000)
Restricted least squares subject to monotonicity and concavity constraints
Ruud, Paul Arthur, (1997)