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. Author manuscript; available in PMC: 2012 Jun 25.
Published in final edited form as: J R Stat Soc Series B Stat Methodol. 2008 Apr;70(2):311–328. doi: 10.1111/j.1467-9868.2007.00637.x

Figure 1. Comparison of the constrained and unconstrained estimates.

Figure 1

The error bars are one standard error above, and below, the point estimate. Panel (a): estimates of the model parameter β0. Panel (b): estimates of the probability of a birth for a woman with children (π1).