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. Author manuscript; available in PMC: 2016 Jun 1.
Published in final edited form as: J R Stat Soc Ser A Stat Soc. 2015 Jan 27;178(3):619–639. doi: 10.1111/rssa.12091

Table 3.

Five estimators compared in the simulation study.

Abbreviation Source Estimator
Mean Naive sample mean of zi μ̂
SH Salganik and Heckathorn (2004) μ̂SH
VH Volz and Heckathorn (2008) μ̂VH
SS Gile (2011) μ̂SS
MA Proposed Model-Assisted μ̂MA