FITS OF SUBJECT 10 THEOPHYLLINE DATA BY IRWLS FOR DIFFERENT THETA VALUES 
 
Fit of model with power 0 
 
Estimate of beta -0.3631225 -3.42827 -0.8241234 
Number of iterations 7 
Estimate of sigma squared 0.1848289 
Estimate of sigma 0.4299173 
 
 
Fit of model with power 0.5 
 
Estimate of beta -0.3406510 -3.429894 -0.8195872 
Number of iterations 7 
Estimate of sigma squared 0.02161749 
Estimate of sigma 0.1470289 
 
 
Fit of model with power 1 
 
Estimate of beta -0.3288967 -3.428441 -0.8189832 
Number of iterations 7 
Estimate of sigma squared 0.002503675 
Estimate of sigma 0.05003673 
 
 
Estimated concentration at 15 hours 4.608446 mg/L