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Hi,
You are not using Plot correctly. Replace your looping code with the
following:
colors = IIF(Value11 > 0, colorRed, colorYellow);
Plot(Value11, "e11", colors, styleHistogram);
and
colors = IIF(Value1 > 0, colorBlue, colorLightBlue);
Plot(Value1, "e1", colors, styleHistogram);
Mike
--- In amibroker@xxxxxxxxxxxxxxx, "maximoff_max" <mrmax@xxx> wrote:
>
> Hi all!
> I'm trying to convert EasyLang code into AFL. But i think i've made
> many bugs in the code. This indicator was made by Clyde Lee and
posted
> on Swing Group. There is 4 colors in original version but i have
only 2.
> Can anybody help???
>
> Easy code:
> {*******************************************************************
> Indicator: Lin Regression Hist
> Description : This Indicator plots difference in Linear Regression
Lines
> Provided By : Omega Research,Inc. (c) Copyright 1999
> Modified By : Clyde Lee (c) 2007,CREATE A HISTOGRAM DISPLAY.
> Of the Raff channel lines and the closing
price.
>
********************************************************************}
> inputs:
> Length( 34), {Length for LR calculation of Raff
Channels. }
> {The difference in the current closing
price
> and }
> {the channel lines is computed and
plotted.
> }
> LongMult(2), {Multiplier of Length to get long
length. }
> Smooth(3), {Length for smoothing
filter.
> }
> ChanWide(2); {Multiplier of StdDev(c,Length) to set width. }
> {Negative is multiplier (%) of closing
price.
> }
>
>
> variables:
> UseLength(Iff(Length<9,9,Length)),
> UseLength1(IntPortion(UseLength*LongMult)),
> ChanStdD(0),
> WideChan(Iff(ChanWide<=0,1,ChanWide)),
> LRV1(0), {Current linear regression valueS}
> LRV(0); {Current linear regression valueS}
>
> If ChanWide>0 then ChanStdD=StdDev(MedianPrice,UseLength)*WideChan
> else ChanStdD=MedianPrice/100*WideChan;
>
> If LongMult>0 then begin
> LRV1 = LinearRegValue(MedianPrice,UseLength1,0) ;
>
> Value10=(c-(LRV1+ChanStdD))-((LRV1-ChanStdD)-c);
> If Smooth>0 then Value11=XAverage(Value10,Smooth)
> else Value11=Value10;
> If Value11>0 then Plot3(Value11,"el1+")
> else Plot4(Value11,"el1-");
> End;
>
>
> LRV =LinearRegValue(MedianPrice,UseLength,0) ;
>
> Value0=(c-(LRV+ChanStdD))-((LRV-ChanStdD)-c);
> If Smooth>0 then Value1=XAverage(Value0,Smooth)
> else Value1=Value0;
>
> If Value1>0 then Plot1(Value1,"el+")
> else Plot2(Value1,"el-");
>
> {
> Value21=Value11-Value1;
> If Value21>0 then Plot2(Value21,"el+")
> else Plot3(Value21,"el-");
> }
>
>
> And here is my AFL:
> Length = Param("Length", 34, 0, 500, 1);
> LongMult = Param("LongMult", 2, 0, 10, 0.5);
> Smooth = Param("Smooth", 3, 0, 10, 1);
> ChanWide = Param("ChanWide", 2, 0, 10, 1);
>
> UseLength = IIf(Length<9,9,Length);
> WideChan = IIf(ChanWide<=0,1,ChanWide);
> UseLength1 = int(UseLength*LongMult);
> MedianPrice = (H+L)/2;
>
> if ( ChanWide > 0 )
> ChanStdD = StDev(MedianPrice,UseLength)*WideChan;
> else
> ChanStdD = MedianPrice/100*WideChan;
>
>
> if (LongMult > 0)
> {
> LRV1 = LinearReg(MedianPrice,UseLength1);
> Value10=(C-(LRV1+ChanStdD))-((LRV1-ChanStdD)-C);
>
> if (Smooth>0)
> Value11= EMA(Value10,Smooth);
> else
> Value11=Value10;
>
>
> for( i = 1; i < BarCount; i++ )
> {
> if (Value11[i]>0)
> {Plot( Value11,"el1+", colorRed, styleHistogram);}
> else
> {Plot( Value11,"el1-", colorYellow, styleHistogram); }
> }
> }
>
>
> LRV = LinearReg(MedianPrice,UseLength);
> Value0=(C-(LRV+ChanStdD))-((LRV-ChanStdD)-C);
>
> if (Smooth>0)
> Value1=EMA(Value0,Smooth);
> else
> Value1=Value0;
>
> for( i = 1; i < BarCount; i++ )
> {
> if (Value1[i]>0)
> {
> Plot( Value1,"el+", colorBlue, styleHistogram);
> }
> else
> {
> Plot( Value1,"el-", colorLightBlue, styleHistogram);
> }
> }
>
> Thanks!!!
>
------------------------------------
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