Siddique, Juned, and Ofer Harel. “MIDAS: A SAS Macro for Multiple Imputation Using Distance-Aided Selection of Donors”. Journal of Statistical Software 29, no. 9 (February 23, 2009): 1–18. Accessed December 3, 2024. https://www.jstatsoft.org/index.php/jss/article/view/v029i09.