[amibroker] Formula Language help

["trader07" <trader07@xxxxxxxxx>]

Asking for help on the following formula.  "d" is an array such as
AMA().  When I plot the Buy/Sells I get each on the same bar (buy and
sell).  How is this possible?  Also how can I output variable
information such as "printf()" and to where?  Is there a way to view
the arrays Buy/Sell (+1/-1 signals and dates)?  Much thanks in advance...

myFilter = 0.15*(StDev(d-Ref(d,-1),14));
myLow = LLV(d,14);
myHigh = HHV(d,14);

printf("low = %f, high = %f, filter = %f\n",myLow,myHigh,myFilter);

Buy = d > (myLow+myFilter);
Sell = d < (myHigh-myFilter);

Buy = ExRem(Buy,Sell);
Sell = ExRem(Sell,Buy);

PlotShapes( shapeHollowUpTriangle*Buy, colorBrightGreen, 0, Low, -30 );
PlotShapes( shapeHollowDownTriangle*Sell, colorRed, 0, High, -30);





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