Linear Regression Indicator

Parameters:

extern int period=34; // Regression calculating period
extern int price=0; // Price used for calculations 0-Close, 1-Open, 2- High, 3-Low, etc.
extern int Shift=0; // Chart shift when drawing
extern bool bPlaySound=true; // Playing a sound when changing color
extern string SoundName=”alert.wav”; // Wave file
extern int CheckBar=0; // Bar, on which the color changing is controlled