ARTICLE SYNOPSIS ...The c-Test by William Eckhardt We all know that thorough testing is the only way to determine whether a particular trading system or indicator is viable. William Eckhardt, the mathematician whose conversation with Richard Dennis helped bring about the Turtles, points out that before you spend time testing a method, you should first use a methodological test for dimensional coherency called the c-test. In most cases, the only way to evaluate trading indicators or systems is through diligent and rigorous testing. However, there are cases in which indicators, systems or even entire approaches ...