“…The ER rule has been applied in different disciplines and applications. For example, Zhu et al (2016) have used ER to propose a model for monitoring asthma and manage its treatment in children, Xiaobin Xu et al (2017) for data classification tasks across different kinds of database. Likewise, ER has been consistently applied in assessing navigational risk (Zhang et al, 2016) and medical quality assessment (Kong et al, 2015).…”