Fig. 4From: Survival analysis under imperfect record linkage using historic census dataEmpirical bias for \({\widehat{M}}_{0}\) and \({\widehat{M}}_{1}\): (1) MCAR, (2) MAR with both \({T}_{i}\) and \({R}_{i}\) dependent on \({X}_{i}\) only, (3) MAR with \({T}_{i}\) dependent on \({X}_{i}\) and \({Z}_{i}\), while \({R}_{i}\) depends on \({X}_{i}\) only, (4) MAR with both \({T}_{i}\) and \({R}_{i}\) dependent on \({X}_{i}\) and \({Z}_{i}\) Back to article page