RSE for the parameters <i>b</i> and <i>c</i> True values were <i>b</i>* = 0.3 for group effect, <i>b</i>* = 0.7 for linear and constant and linear and <i>c</i>* = 0.5 for normal distribution, <i>c</i>* = 0.05 for gamma distribution and <i>c</i>* = 0.13 for log-normal distribution, except for linear effect, in which <i>c</i>* = 0.1 independently of the distribution.

RSE for the parameters b and c True values were b* = 0.3 for group effect, b* = 0.7 for linear and constant and linear and c* = 0.5 for normal distribution, c* = 0.05 for gamma distribution and c* = 0.13 for log-normal distribution, except for linear effect, in which c* = 0.1 independently of the distribution.