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The way I interpret it is that if the signal is true on the current
bar, then that is the most recent occurrence, which is the situation
in your case.
As for zero and negative values, I'd just work forward from that
situation, although logically -1 should be the next occurrence, so I'm
not sure about zero. Next step to figure it out would be trial and error.
Regards,
GP
--- In amibroker@xxxxxxxxxxxxxxx, "t_ohrt" <to56@xxx> wrote:
>
> Thanks a lot, GP!
>
> I presumed that setting the n-th occurrence to "1" was the right
> thing to do. How to interprete the AFL reference text in the user
> guide, then? If I set the n-th occurrence to 0, what happens?
>
> T.O.
>
> "Returns the value of the ARRAY when the EXPRESSION was true on the
> n -th most recent occurrence. Note: this function allows also 0 and
> negative values for n - this enables referencing future"
>
> --- In amibroker@xxxxxxxxxxxxxxx, "gp_sydney" <gp.investment@>
> wrote:
> >
> > You have ValueWhen returning the most recent occurrence, which will
> > always be the current one when LongEntryCond is True. Therefore the
> > second part of the statement will always be False.
> >
> > Try setting the third parameter of ValueWhen to two to skip the
> > current True condition of LongEntryCond.
> >
> > Regards,
> > GP
> >
> >
> > --- In amibroker@xxxxxxxxxxxxxxx, "t_ohrt" <to56@> wrote:
> > >
> > > Hi,
> > >
> > > I want to limit entries to once a day within a daytrade system. A
> long
> > > position should be taken only at the first occurrence
> > > of "LongEntryCond". The code below results in no entries at all.
> What´s
> > > wrong with it?
> > >
> > > Buy= LongEntryCond AND ValueWhen(LongEntryCond, DateNum())<DateNum
> ();
> > >
> > >
> > > Regards,
> > > T.O.
> > >
> >
>
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