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The plots are correct but your IIF() is incorrect
(assign it to a variable and it will return the value of the 2nd or 3rd
parameter). I just checked and the code that I listed works as I described
so you can start there and modify as desired if this is not what you
want.
Bill
----- Original Message -----
Sent: September 22, 2009 7:05 PM
Subject: [amibroker] Re: Code
Question
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;
>
>
>
>
> ------------------------------------
>
> **** IMPORTANT PLEASE READ ****
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> This is
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>
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SUPPORT send an e-mail directly to
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**** IMPORTANT PLEASE READ ****
This group is for the discussion between users only.
This is *NOT* technical support channel.
TO GET TECHNICAL SUPPORT send an e-mail directly to
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TO SUBMIT SUGGESTIONS please use FEEDBACK CENTER at
http://www.amibroker.com/feedback/
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