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Dear Mike,
Thanks for your help.
vgakkhar
On Mon, 01 Sep 2008 00:11:52 +0530, Mike <sfclimbers@xxxxxxxxx> wrote:
> You can experiment by adding the following two lines to the end of
> the script:
>
> Filter = Buy OR Sell;
> AddTextColumn(WriteIf(Buy, "Buy", "Sell"), "Action");
>
> Using an exploration with that will show only the stocks that have a
> buy or a sell signal for the bar of the exploration.
>
> If you want to see all stocks (i.e. even those that have no signal
> for the bar), then change the lines to:
>
> Filter = 1;
> AddTextColumn(WriteIf(Buy, "Buy", WriteIf(Sell, "Sell", "No
> Signal")), "Action");
>
> Documentation for all the methods used above can be found here:
> http://www.amibroker.com/guide/afl/afl_index.php?m=1
>
> Mike
>
> --- In amibroker@xxxxxxxxxxxxxxx, "Vinay Gakkhar." <vgakkhar@xxx>
> wrote:
>>
>> 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?
>>
>> Thanks,
>>
>> vgakkhar
>>
>> On Sun, 31 Aug 2008 09:36:20 +0530, Mike <sfclimbers@xxx> 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@>
> 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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