[amibroker] Help with Code

["KBGlenn" <kbglenn@xxxxxxxxx>]

Neophyte programmer here...

I'm trying to get the ROC on a symbol after an event happens.

I tried the code below but get errors at the "AddColumn" Lines. So if
D is less than or equal to .10 then I want to get the ROC for the
symbol at different lengths of time afterward. The below tries to get
the ROC one day/bar and one week/5 bars later.

A = Foreign("YHIN", "C");
B = Foreign("YLON", "C");
D = A/(A+B);
Plot(D, "NYSE New Hi-Lo Ratio", colorRed, styleLine);

E = IIf(D <=.10, 0, -1);
E1 = E + BarsSince(E);

F = IIf(E1 == 1, 1, 0);
G = IIf(E1 == 5, 5, 0);


Filter = 1;
AddTextColumn(FullName(),"Name",1.2);
AddColumn(ROC(C, F), "1 Day");
AddColumn(ROC(C, G), "5 Days");



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