Research Article

Secondary Analysis under Cohort Sampling Designs Using Conditional Likelihood

Figure 6

Sampling distributions for maximum likelihood estimates of regression coefficient 𝛽 1 from 1000 replications; NPQM model fitted to NPQM data ( 𝑌 𝑖 N P Q M ( 4 , 2 , 0 . 1 5 , 0 . 1 4 ) ).
931416.fig.006