|
PureBytes Links
Trading Reference Links
|
Don,
As an application, just wrote a nice envelope.
Try this as practice
Cond1=H>Ref(H,-1);
Val1=ValueWhen(Cond1,H,1);
Graph1=Val1;Graph0=C;Graph0Style=64;
Cond2=L<Ref(L,-1);
Val2=ValueWhen(Cond2,L,1);
Graph2=Val2;Graph2Style=1;
Graph1BarColor=Graph2BarColor=2;
Dimitris Tsokakis
--- In amibroker@xxxx, "dtsokakis" <TSOKAKIS@xxxx> wrote:
> Don,
> Cond=H>Ref(H,-1);
> Val=ValueWhen(Cond,H,1);
> Graph0=Val;
> graph0 holds the value of H till next occurrence of
> the same condition, where will hold the next value
> and so on
> Dimitris Tsokakis
> --- In amibroker@xxxx, "doeddoed2002" <doed@xxxx> wrote:
> > Hi,
> > I appologise that my previous example may have been misleading
> > because the valuewhen() statement looks as if it could do the job.
> >
> > I wont bore you with all the reasons but one problem is that the
> > second value may be coincidentally the same as the first and I
> still
> > need to know that its related to a new condition. I dont have a
> > second array to use in FLIP(). The condition is only 1 on the day
> it
> > occurs and reverts to 0 for other days.
> >
> > Tomasz's FLIP()example would be fine if it worked on one array
but
> > not two eg
> >
> > array1 000000010000100000
> > result 000000011111000000
> >
> > Using cum()can work in some cases but not for my purpose because
I
> > want to reset to 0 or 1 each time condition occurs.
> > result 00000001111122222222333
> >
> >
> >
> >
> > --- In amibroker@xxxx, "farriners2002" <dre@xxxx> wrote:
> > > Hi,
> > > Just returned to find all those great suggestions which I will
> work
> > on. many thanks for all the help.
> > >
> > > I looked at flip(array1,array2) but in my case I want it to
work
> > with the same array not a different one.ie I want to hold a value
> > from the first occurence until the second occurence of the same
> > condition.
> >
> >
> >
> > >
> > > eg
> > >
> > > Cond=high>ref(high,-1); /* the condition being monitored is
high
> > today greater than high yesterday */
> > > val=valuewhen(cond,high,1); /* the value of high when condition
> > occurs */
> > > then something like flip(cond,cond); or holdtill(cond,val); /*
a
> > way to keep the last value of high constant until the condition
> > occurs again, then change to the new value and hold again until
etc
> */
> > >
> > > Maybe I'm missing an obvious way to do this.
> > > Ps to the person who suggested I learn AFL, this is what I am
> > trying to do with all your help.
> > > Regards Don.
|