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using iif(this and that and another, 1,0) wouldn't be too bad. It
would (for me) get really messy and hard to read to try nested iif
statements though. I appreciate your help.
--- In amibroker@xxxxxxxxxxxxxxx, Graham <kavemanperth@xxx> wrote:
>
> there are different ways to achieve things, for simple conditions to
> give true/false result you can simply use statement with OR/AND. The
> following assigns true to results if all 3 conditions are true on
the
> same bar
>
> Result = Trigger AND C1 AND C2;
>
> to assign values to the variable for true/false result, these values
> can be arrays are scalar
>
> Result = iif( Trigger AND C1 AND C2, A, B );
>
> Nested IIF can also allow you to work through combinations of the
> conditions to give different resulting values. Just by placing the
> more stringent first and work from there
>
> Result = iif( Trigger AND C1 AND C2, A, iif( Trigger AND C1, B, iif(
> Trigger AND C2, C, iif( C1 and C2, D, E ))));
>
> These are much easier and straightforward than looping. I only use
> loops if the results I want depend on previous values of the same
> array for the current value, or to isolate a particular repeating
> occurence to only use the first occurence and ignore the rest (where
> other simple methods do not work). Loops can slow down the running
of
> AFL and best to be avoided unless really necessary. They can also
tie
> your brain up in knots getting the logic correct when a simple
method
> is easier and faster.
>
>
> --
> Cheers
> Graham Kav
> AFL Writing Service
> http://www.aflwriting.com
> On 26/08/07, lifes_student_1 <suedeuno@xxx> wrote:
> > It's a bit more complicated than my example. I need to check for
> > several cases and I would generally use an if statement for
something
> > like this. Something like:
> >
> > result = false;
> > if (trigger == true)
> > {
> > if (c1 == true)
> > {
> > if (c2 == true)
> > {
> > result = true;
> > }
> > }
> > }
> >
> > --- In amibroker@xxxxxxxxxxxxxxx, Graham <kavemanperth@> wrote:
> > >
> > > Not knowing what you are trying to do why not try the simpler
and
> > > faster IIF function
> > >
> > > --
> > > Cheers
> > > Graham Kav
> > > AFL Writing Service
> > > http://www.aflwriting.com
> > >
> > >
> > >
> > > On 26/08/07, lifes_student_1 <suedeuno@> wrote:
> > > > Thanks. Why can't I do the following though that should
result in
> > a
> > > > boolean:
> > > >
> > > > color = colorLime;
> > > > color2 = colorRed;
> > > > i1 = colorLime;
> > > > c1 = ((i1 == color OR i1 == color2));
> > > > if (c1 == true)
> > > > {...
> > > >
> > > >
> > > > This doesn't work. I guess I'm not used to AFL.
> > > >
> > > >
> > > >
> > > > --- In amibroker@xxxxxxxxxxxxxxx, "Thomas Z." <tzg@> wrote:
> > > > >
> > > > > You need a loop and then you could write if(barsback[i] < 6)
> > > > >
> > > > > The other way would be to use IIF()
> > > > >
> > > > > Regards
> > > > > Thomas
> > > > > www.patternexplorer.com
> > > > >
> > > > >
> > > > >
> > > > > From: amibroker@xxxxxxxxxxxxxxx
> > [mailto:amibroker@xxxxxxxxxxxxxxx]
> > > > On Behalf
> > > > > Of lifes_student_1
> > > > > Sent: Saturday, August 25, 2007 8:28 PM
> > > > > To: amibroker@xxxxxxxxxxxxxxx
> > > > > Subject: [amibroker] getting an error in my if statement
> > > > >
> > > > > condition1 = cross(close, ma(close,20));
> > > > > barsback = BarsSince(condition1 == true);
> > > > > if(barsback < 6)
> > > > > {...
> > > > >
> > > > > I'm getting error 6 on barsback in if statement. condition1
is
> > set
> > > > and
> > > > > works as I've tested it elsewhere. What am I doing wrong?
> > > > >
> > > > > (Condition in IF, WHILE, FOR statements has to be Numeric or
> > > > Boolean
> > > > > type. You cannot use an array here....)
> > > > >
> > >
> >
> >
> >
> >
> > Please note that this group is for discussion between users only.
> >
> > To get support from AmiBroker please send an e-mail directly to
> > SUPPORT {at} amibroker.com
> >
> > For NEW RELEASE ANNOUNCEMENTS and other news always check DEVLOG:
> > http://www.amibroker.com/devlog/
> >
> > For other support material please check also:
> > http://www.amibroker.com/support.html
> >
> > Yahoo! Groups Links
> >
> >
> >
> >
>
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