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[amibroker] Re: HighestSince() bug?



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Fred, that was a good idea to try it in Explore to see if the
behavior was any different.  Unfortunately, it isn't.

Your code snippet shows you tested the wrong case.  You used
array index 1, which is the one titled "Works".  Try it with array
index 0 (the example below where the plot title is "Fails".)

--- In amibroker@xxxxxxxxxxxxxxx, "Fred" <ftonetti@xxx> wrote:
>
> Shows 45 on all bars for me ...
> Check it using Explore ...
> 
> buySig = 0; buySig[1] = 1;
> price = 0; price[1] = 45;
> X = HighestSince(buySig, price);
> Plot(X, "Works", colorBlack);
> Filter = 1;
> AddColumn(X, "X", 1.2);
> 
> --- In amibroker@xxxxxxxxxxxxxxx, "inertia_trader" 
> <inertia_trader@> wrote:
> >
> > Tomasz, is this a bug or expected behavior?
> > 
> > buySig = 0;  buySig[0] = 1;
> > price = 0;   price[0] = 45;
> > plot(highestSince(buySig, price), "Fails", colorBlack);
> > 
> > I expected to see a plot of value 45 for all bars.  But
> > the plot above shows no data.
> > 
> > BUT...
> > 
> > buySig = 0;  buySig[1] = 1;
> > price = 0;   price[1] = 45;
> > plot(highestSince(buySig, price), "Works", colorBlack);
> > 
> > The plot above gives a value of 45 for all barIndices except 0,
> > as you would expect.
> > 
> > So highestSince() seems to ignore signals that occur on the
> > very first bar?
> > 
> > 
> > Thanks,
> > Tom Mosher





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