@coeff_func
def exp_comp_(t, alpha=1, beta=1):
    return beta * (1 - np.exp(-alpha * np.maximum(0, t - 10 * beta)))
beta*(1 - np.exp(-alpha*(t-beta)))
dataset/ETHPy150Open CamDavidsonPilon/lifelines/lifelines/generate_datasets.py/exp_comp_