Quantile and least-absolute deviations (LAD) methods are popular robust statistical methods but have not generally been applied to state filtering and sequential parameter learning. This paper introduces robust state space models whose error structure coincides with quantile estimation...

Directors need to guide and govern companies on behalf of and for the benefit of shareholders and stakeholders (Adams, Hermalin, & Weisbach, 2010; "Duties of directors," 2011). However questions remain as to whether boards with higher levels of diversity amongst directors are better equipped to...

Operational protocols are a valuable means for quality control. However, developing operational protocols is a highly complex and costly task. We present an integrated approach involving both intelligent data analysis and knowledge acquisition from experts that supports the development of...