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Your function Momentum takes two arguments, an array and a lookback
period. Yet, when calling the function, you are not providing any
arguments. i.e.
r = Momentum();
Should probably be something along the lines of:
r = Momentum(Close, 5);
Also, you have an extraneous "/" character at the end of the second
last line. Just delete it.
Mike
--- In amibroker@xxxxxxxxxxxxxxx, "Ken Hendo" <sfehendo@xxx> wrote:
>
> Hi All
>
> Can someone point me in the correct direction or advise where I am
> going wrong with this formular.
>
> Many thanks
>
> Ken
>
>
> _SECTION_BEGIN("Momentum");
> function Momentum( array, period )
> {
> return array - Ref( array, -period );
> }
> Plot( Momentum( ParamField( "Field" ), Param("Period", 10, 1,
100 ) ),
> _DEFAULT_NAME(), ParamColor("Color", ColorCycle ) );
>
> r = Momentum ();
> Plot( r, " Momentum ", colorBlue | styleThick);
> Plot( 0,"",colorLightGrey, styleLine, 1);
>
> PlotOHLC( r,r,0,r, // set the midpoint of the chart to 0
>
> "", IIf( r < 0 , colorRed ,// color below 0 set to red
> colorGreen // color above 0 is green
> ), styleCloud | styleClipMinMax, 0, 0); /
> _SECTION_END();
>
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