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Ahhh. Question answered. Thanks TJ.
--- In amibroker@xxxxxxxxxxxxxxx, "Tomasz Janeczko" <groups@xxx> wrote:
>
> This is so because your condition is never met.
> BarSince will be null as long as condition is not met
> for the very first time.
> Only once condition is met at least once, the barssince
> will be non-null.
> Note that under QuickAFL and high zoom in levels,
> not all bars in the database are actually seen by the formula,
> hence your "Monday" condition may not be met if you
> only display Wed-Fri on intraday chart.
> Of course you can override by SetBarsRequired.
>
> Best regards,
> Tomasz Janeczko
> amibroker.com
> ----- Original Message -----
> From: "sidhartha70" <sidhartha70@xxx>
> To: <amibroker@xxxxxxxxxxxxxxx>
> Sent: Monday, November 24, 2008 1:02 AM
> Subject: [amibroker] Re: BarsSince() question
>
>
> > Specifically if I take the time interval down to 5min or less, I seem
> > to get large periods of 'null' plots...
> >
> > Any ideas why...??
> >
> > Above 5min the plot is as I would expect it to be.
> >
> > --- In amibroker@xxxxxxxxxxxxxxx, "sidhartha70" <sidhartha70@> wrote:
> >>
> >> To simplyify the question further, if I add the following line to a
> >> basic price chart,
> >>
> >> Plot(BarsSince(DayOfWeek()==1),"x",colorPink,styleOwnScale);
> >>
> >> Can someone explain the plot output... because I'm somewhat confused.
> >>
> >> TJ?
> >>
> >> Thanks
> >>
> >> --- In amibroker@xxxxxxxxxxxxxxx, "sidhartha70" <sidhartha70@> wrote:
> >> >
> >> > Hi All,
> >> >
> >> > I'm trying to do some logic using the BarsSince() function... I
want
> >> > to spot when an element of an array is true within the last 10
bars...
> >> >
> >> > So I used something like,
> >> >
> >> > x = BarsSince(y)<10;
> >> >
> >> > Now if I plot the result,
> >> >
> >> > Plot(x,"x",colorGold,StyleOwnscale);
> >> >
> >> > I get some quite strange results... x appears to be null for large
> >> > periods... I think it's something to do with how BarsSince() works.
> >> >
> >> > Anyone know what's going on here...?
> >> >
> >> > Many Thanks
> >> >
> >>
> >
> >
> >
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