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thanks for the reply.
this is a new function to explore.
I have pasted your code into Indicator Builder and
only get a flat green line along the bottom.
adding styleownscale makes no difference.
I will play with this function to try and get an idea
of what it does.
thanks
ChrisB
> The LineArray function generates array equivalent to
> " trend line " drawn from point (x0, y0) to point
> (x1, y1). x coordinates are in bars (zero based), y
> coordinates are in dollars.
>
> Calculates linear regression line slope from the
> ARRAY using periods range
>
> new code with "linregslope( ARRAY, periods ) " looks
> ok
>
> Buy = Cross ( Close, EMA(C,30));
>
> //price = ValueWhen(Buy,1);
>
> x0 = ValueWhen(Buy,BarIndex(),1);
>
> y0 = BuyPrice;
>
> x1 = BarsSince(Buy) == 260;
>
> //x1 = x0 + 260;
>
> y1 = BuyPrice * 1.1;
>
> Line = LinRegSlope(x0 AND y0 AND x1 AND y1,1);
>
> Plot(C,"",1,64);
>
> Plot(EMA(C,30),"",1,1);
>
> PlotShapes(shapeUpArrow * Buy,colorBlue,0,L,-15);
>
> Plot(Line, "line", colorGreen,1);
>
>
> kris45mar <kris45mar@xxxxxxxxx> wrote:Could someone
> please check I am using Linearray
> correctly?
>
> I want to plot a line from the buyprice indicating a
> certain annualised percent gain, eg 10 % gain after
> 260 bars.
>
> If I use this code
>
> ******************
>
> Buy = Cross ( Close, EMA(C,30));
>
> //price = ValueWhen(Buy,1);
>
>
> x0 = ValueWhen(Buy,BarIndex(),1);
> y0 = BuyPrice;
> x1 = BarsSince(Buy) == 260;
> //x1 = x0 + 260;
> y1 = BuyPrice * 1.1;
>
> Line = LineArray(x0,y0,x1,y1, 0, 1);
>
> Plot(C,"",1,64);
> Plot(EMA(C,30),"",1,1);
> PlotShapes(shapeUpArrow * Buy,colorBlue,0,L,-15);
>
> Plot(Line, "line", colorGreen,1);
>
> *******************
>
> I get the following error:
>
> x1 = BarsSince(Buy) == 260;
> y1 = BuyPrice * 1.1;
>
> Line = LineArray(x0,y0,x1,y1, 0, 1);
> -------------------------------------------^
>
> Error 2.
> Bad argument(s)
>
> I think I am using the LineArray function correctly.
> Is there an error in my x0,x1,y0,y1 initialising?
>
> Regards
>
> ChrisB
>
>
>
>
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