Pannekoek, Jeroen; Shlomo, Natalie; Waal, Ton de - 2009
the missing data. The problem of imputing missing data is
complicated by the fact that statistical data often have to … account and that ensure that sums are calibrated
to known totals. The methods sequentially impute the missing data. To assess … otherwise responding units is called item non-response.
Whenever we refer to missing data in this paper we will mean item non …