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. Author manuscript; available in PMC: 2010 Jan 4.
Published in final edited form as: J R Stat Soc Ser A Stat Soc. 2008 Jan 1;171(1):179–202. doi: 10.1111/j.1467-985X.2007.00511.x

Fig. 6.

Fig. 6

Subsampling distributions for β^w in the simplified within group confounding model for four estimation approaches: subsample data based on simple random subsamples (SRS-sub), combined data based on simple random subsamples (SRS-comb), combined data based on college random subsamples (CRS-comb), combined data based on college random subsamples with ecological racial proportions (CRERS-comb). The solid horizontal line represents the full data MLE, and the dashed line represents the ecological estimate.