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> How about AddToComposite ????
I use AddToComposite for more complex things, but for simple
statistical stuff, I'd prefer a simple single pass explore against a
list where I can accumulate some counts and then calculate percentages
or ratios or whatever against the entire list rather than single
issues. For this kind of simple task I consider AddToComposite as a
tool that is too 'heavyweight' (cumbersome?) in the sense that I'd
probably just forget most curious ideas rather than go to the touble.
(Sorry if that sounds lazy).
> If you are after SINGLE values (numbers) it is also possible via
StaticVariables:
>
> if( Status("StockNum") == 0 ) StaticVarSet("yourvariable", 0 ); //
set to zero at start
>
> StaticVarSet("yourvariable", somecalculation +
StaticVarGet("yourvariable") );
I very much like the StaticVariable idea, but I tried the following
code and AFL does not like my version of "somecalculation"...
if( Status("StockNum") == 0 ) StaticVarSet("GapsUp2Pct", 0 );
CondGap = O >= Ref(H, -1) * 1.02; // Opening Gap up 2% or more
StaticVarSet("GapsUp2Pct", Cum(CondGap) +
StaticVarGet("GapsUp2Pct") ); // Accumulate Total # of Gaps in entire list
It won't accept the Cum(CondGap) where you specified the insertion of
"somecalculation", so I assume that might be why you were careful to
state "SINGLE value (numbers)", indicating that normal AFL
calculations cannot take place within the StaticVarSet operation.
Anyway TJ, I hope you see why I had hoped for a simple new variable
type that would persist for the life of an explore AND accept normal
AFL calculations to be performed on them. It would really simplify
quick statistical calculations against entire lists without having to
use AddToComposite.
And don't take the above as a criticism... it is just an idea.
Regards,
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