This is the Adaptive Relative Vigor Index Trigger (Adaptive RVI Trigger) indicator described in Chapter 10.  The Trigger indicator is created by delaying the Adaptive Relative Vigor Index indicator by one bar.  This indicator may be combined with the Cyber10_AdaptiveRVI indicator to create a trading system.

PriceIn = defaults to Close but change to the Price indicator to match the book

Open = defaults to Open as described in the book

High = defaults to High as described in the book

Low = defaults to Low as described in the book

Close = defaults to Close as described in the book

alpha =  defaults to 0.07 as described in the book

For more information on this indicator, refer to Chapter 10 of "Cybernetic Analysis for Stocks and Futures" by John Ehlers, Publisher: John Wiley & Sons; (March 19, 2004), ISBN: 0471463078