Multiple Imputation of Missing Income and Marital Status of the Research and Development Survey (RANDS) Guangyu Zhang, National Center for Health Statistics; Yulei He, National Center for Health Statistics ; Bill Cai, National Center for Health Statistics; Chris Moriarity, National Center for Health Statistics; Hee-Choon Shin, National Center for Health Statistics; Van Parsons, National Center for Health Statistics; Katherine Irimata, National Center for Health Statistics; Jennifer D Parker, NCHS