A very good reference is Statistical Analysis with Missing Data R.J.A. Little and D.B.Rubin John Wiley & Sons (1986) ISBN 0 471 80254 9 Eduardo. ann e fitzmaurice wrote: > > hi > > could anyone recommend book(s) / references which deal with > treatment of missing data > > i have a large data set which has missing data on some of > the variables that i wish to examine, there does not appear > to be a pattern to the missing data - the aim is is to > retain as much (if not all) of the data as possible > > any help will be much appreciated > > regards > > ann > > ---------------------- > ann e fitzmaurice > medical statistician > dugald baird centre > university of aberdeen > [log in to unmask] > tel 01224 681818 extension 53876 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%