Fig. 2

Examples of two profiles along with the true underlying models. a has lag, decay, and tail phases with parameters \(\delta ^{\ell } = 3, \, \delta ^\tau = 9, \, \beta = 0.2 , \, \alpha = 5\). b only has a decay phase and its corresponding parameters are \(\delta ^{\ell } = 0, \delta ^\tau = 12, \beta = 0.2, \alpha = 5\)