Before revision:  Scientists may wish to quantify features of the growth and equilibrium periods, as well as the timing of the change point between the two . Specifically, we are motivated by problems in the study of electrical cell-substrate impedance sensing (ECIS) data.
After revision:  Scientists may wish to quantify features of the two periods, as well as the timing of the change point between the two . Specifically, we are motivated by problems in the study of electrical cell-substrate impedance sensing (ECIS) data.