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Dear Mike,
Can you please also write the AddColumn so that if one runs the
exploration in automatic analysis, one gets either uparrow or downarrow or
noarrow for each stock analysed?
Thanks,
vgakkhar
On Sun, 31 Aug 2008 09:36:20 +0530, Mike <sfclimbers@xxxxxxxxx> wrote:
> Hi,
>
> No need for using BarIndex or LastValue. As Bill suggested earlier,
> just set the Buy/Sell and use PlotShapes to draw all the arrows at
> the Buy/Sell signal. Cross is the correct function to use for your
> signals.
>
> periods = Param("Periods", 21, 2, 200, 1 );
> ROCpds = ROC( C, periods );
> ROCadj = periods * EMA( ROC( C, 1 ), periods );
>
> Buy = Cross( ROCadj, ROCpds );
> Sell = Cross( ROCpds, ROCadj );
>
> Plot( ROCadj, "ROCadj "+periods, colorRed, styleThick );
> Plot( ROCpds, "ROC "+periods, colorBrightGreen );
>
> PlotShapes( IIF( Buy, shapeUpArrow, shapeNone ), colorBrightGreen );
> PlotShapes( IIF( Sell, shapeDownArrow, shapeNone ), colorRed );
>
> Mike
>
> --- In amibroker@xxxxxxxxxxxxxxx, "aboaziz_sa" <aboaziz_sa@xxx> wrote:
>>
>> this will do!
>>
>>
>>
>> crossup= Cross( ROCadj , ROC( C, periods )) ;
>> crossdown= Cross( ROC( C, periods ), ROCadj ) ;
>> x = LastValue(ValueWhen(crossup, BarIndex(), 1));
>> PlotShapes(IIf(BarIndex() == x, shapeUpArrow, Null),
> colorBrightGreen);
>> y = LastValue(ValueWhen(crossdown, BarIndex(), 1));
>> PlotShapes(IIf(BarIndex() == y, shapeDownArrow, Null), colorRed);
>>
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