Citation: A. Little, Roderick J., Direct Standardization: A Tool for Teaching Linear Models for Unbalanced Data, American statistician , 36(1), 1982, pp. 38-43
Citation: A. Little, Roderick J. et B. Rubin, Donald, On Jointly Estimating Parameters and Missing Data by Maximizing the Complete-Data Likelihood, American statistician , 37(3), 1983, pp. 218-220