This is the Sinewave indicator described in Chapter 11.  This indicator may be used to predict the turning point of market cycles.  It is plotted as the sine of the phase angle of the Dominant Cycle.  It may be used in conjunction with the Cyber11_LeadSine indicator to create a Trading Strategy.

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

alpha = defaults to 0.07 as described in the book

For more information on this indicator, refer to Chapter 11 of "Cybernetic Analysis for Stocks and Futures" by John Ehlers, Publisher: John Wiley & Sons; (March 19, 2004), ISBN: 0471463078