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Hi Joe,
thnx.
what problem i am facing is that while the writeif signal is coming
wrong; for the same indicator if i output the variable value directly
in exploration window it comes correctly. the colour change also is
coming right for few indicators and failing for some indicators.
date range shudnt create a problem i think.i have checked the same
over 10 yrs of data and there was no error except the above error
regd buy/sell signal of writeif.....the numerical variable output is
correct....
I was trusting the signal untill i found that it is erroneous....
if u can throw sum light??
rgds
--- In amibroker@xxxxxxxxxxxxxxx, "Joe Landry" <jelandry@xxx> wrote:
>
> I'm senior in age but not AFL skills, but regardless - your algo
seems to work for me if I scan
> a watchlist, like Barron's 400 or equivalent.
> I've seen other "more" senior guys/gals use this to get the results
of the last day no matter where you set the date range; and I get
buys and sells on the last day for the list, and I also get buys and
sells for a single price array.
> HTH
> Joe L.
> Filter = 1 AND Status("lastbarinrange");
>
>
>
>
> ----- Original Message -----
> From: Shweta Shalini
> To: amibroker@xxxxxxxxxxxxxxx
> Sent: Friday, September 07, 2007 5:04 AM
> Subject: [amibroker] exploration bug or programming error???
>
>
>
> Hi Seniors,
>
> I am trying to develop an exploration using a collection of
indicators but somehow the exploration is gving wrong signal. While
the indicator values shows correct positive/negative values, the
signal remains buy. Even for many indicators the colour changes to
red/green but somehow the signal (thru writeif) gves wrong indication.
>
> Anybody pls help.....since it contains too many indicators , i am
pasting code of one of indicators using macd crossover... pls check
my writeif for buy which is gving error.
>
> PS: do we need to set the variables to null at the end so that
the cache is not carrying over a wrong signal for the next day? but
if it does then how come the colour of column is changing correctly?
where is the bug?
>
> //macd crossover
>
> p = Param("P",12,3,36,2);
>
> q = Param("Q",26,3,52,2);
>
> r = Param("R",9,3,15,1);
>
> EMA1= EMA(Close,p);
>
> EMA2= EMA(EMA1,p);
>
> Difference= EMA1 - EMA2;
>
> ZeroLagEMAp= EMA1 + Difference;
>
> EMA1= EMA(Close,q);
>
> EMA2= EMA(EMA1,q);
>
> Difference= EMA1 - EMA2;
>
> ZeroLagEMAq= EMA1 + Difference;
>
> ZeroLagMACD=ZeroLagEMAp - ZeroLagEMAq;
>
> EMA1= EMA(ZeroLagMACD,r);
>
> EMA2= EMA(EMA1,r);
>
> Difference= EMA1 - EMA2;
>
> ZeroLagTRIG= EMA1 + Difference;
>
> //buy signal till macd is abv signal
>
> spmacd_buy=zerolagmacd>zerolagtrig;
>
> spmacd_val= WriteIf((zerolagmacd-
zerolagtrig>0), "Buy", "Sell");// error...remains buy always
>
> // Set the background color for Sp MACD Sgnal Status Column
>
> spMACD_Col=IIf(spmacd_buy,colorGreen,colorRed);
>
> Filter = 1;
>
> AddTextColumn(Spmacd_val, "SpMACD", 1, colorWhite, Spmacd_Col);
>
> // end
>
>
>
> Thsnks
>
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