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Bill, Thanks for taking a look at this for me. I have looked at the section you described but I guess I am a little slow at this. I replaced using == etc but no change. I am not sure if you plotted this but the plots seem correct. The problem is when I use an exploration so I guess I am not making a connection as to where its off. I will go back and re-read that section as see if this thick head can make sense of it.
Thanks
DM
--- In amibroker@xxxxxxxxxxxxxxx, "wavemechanic" <fimdot@xxx> wrote:
>
> You have a problem with the way IIF() is used. See "Common Coding Mistakes" in the Users Guide.
>
> From your description, I assume that you want to go through your symbols, characterize the last value of the divergence and associate the divergence with a symbol. If so, a simple way is to replace the code after the Plot() section with the following which will put 1 or 0 in the divergence columns.
>
> addtextcolumn(name(), "symbol", 1.2, colorblack);
> addcolumn(posdiv, "posdiv", 1.2, colorlime);
> addcolumn(negdiv, "negdiv", 1.2, colorred);
> filter = status("lastbarinrange");
>
> Bill
> ----- Original Message -----
> From: dmcleod1981
> To: amibroker@xxxxxxxxxxxxxxx
> Sent: September 22, 2009 10:55 AM
> Subject: [amibroker] Code Question
>
>
> I found this code in the TASC articles in the member section. I was trying to add some code to be able to run an explore to possible divergences. When I plot the indicator it seems to be correct but in the columns both conditions show true. It is a simple code mistake but at the moment it escapes me why. Can anyone point out the obvious to me?
>
> Thanks
> DM
>
> /*TWO-POINT PROBLEM OF THE RATE OF CHANGE
>
> In the "Two-point problem of the Rate Of Change" article Martti Luoma AND Jussi Nikkinen
> present the modification of classic ROC indicator that can be constructed two ways in AmiBroker.
> First way does NOT require writing any single line of code. You can construct ROCadj AND other
> indicators using AmiBroker's powerful drag AND drop technology. To create ROCadj, select Chart tab,
> go to Indicators folder, double click on ROC - Rate Of Change - this will create new chart pane with ROC.
> Then go to Averages folder, click AND drag EMA - Exponential Moving Average onto ROC chart.
> Your indicator is ready. Now simply adjust ROC period to 1 AND EMA smoothing period to 21 using
> Parameters window. Second way is to use the formula presented in Listing 1. Just type it into
> Formula Editor AND press Insert Chart button.
> */
>
> periods = Param("Periods", 21, 2, 200, 1 );
> ROCadj = periods * EMA( ROC( C, 1 ), periods );
>
> /*Added Divergence to original formula*/
>
> RocSlope=LinRegSlope(ROC(C,periods),periods);
> MARocSlope=LinRegSlope(ROCadj,periods);
> PosDiv=MARocSlope>=RocSlope;
> NegDiv=MARocSlope<RocSlope;
>
>
> //Plots
> Plot( ROCadj, "ROCadj "+periods, colorRed, styleThick );
> // the line below adds standard ROC overlay
> Plot( ROC( C, periods ), "ROC "+periods, colorBlue );
>
> Plot(PosDiv,"Positive",colorLime,styleOwnScale);
> Plot(NegDiv,"Positive",colorRed,styleOwnScale);
> IIf(PosDiv>0,AddTextColumn("Positive","Positive Divergence",1.2,colorLime),0);
> IIf(NegDiv>0,AddTextColumn("Negative","Negative Divergence",1.2,colorRed),0);
>
> Filter=1;
>
>
>
>
> ------------------------------------
>
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------------------------------------
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