ARTICLE SYNOPSIS...No, this has nothing to do with Sherlock Holmes. It has a lot to do with the linear regression slope, r-squared, and how combined they can tell you whether the trend is strong.
ARTICLE SYNOPSIS...Sidebar: Divergence LRS indicator in MetaStock by Markos Katsanos DIVERGENCE LRS INDICATOR IN METASTOCK This indicator is plotted in the article's Figure 3 for FMXI.