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--- In amibroker@xxxxxxxxxxxxxxx, "Herman van den Bergen"
<psytek@xxxx> wrote:
> Thanks Jose,
>
> MS... have been there ;-) I think you left out some code in your
post, could
> you verify it is all there?
>
> 1) Information on the Param() function are stored in the
broker.params file
> in your AmiBroker directory. If you delete this file AB will create
a new
> one and I presume if the statement order is changed so will the
Param()
> listing. However you will lose historical settings from other Param
() usage.
> You can email suggestions for improvement to suggest@xxxx ,
> technical support is different here :-))) here things get actually
fixed and
> good ideas are often implemented within days or weeks.
>
> 2) Not to my knowledge...
>
> 3) ?
Herman,
You may introduce variable period to Wilders or EMA smoothing through
AMA equivalent.
DT
>
> 4) Look up the AMA and AMA2 function, they can duplicate the PREV
(), you can
> also use AFL for-loops and various forms of scripting.
>
> I encourage you to browse the AB and Yahoo websites; look at the
many custom
> DLLs that have been developed by AB users. For example if you load
the the
> ABTools DLL you can create Persistent variables that will preserve
variables
> between AmiBroker sessions as well as lets you save/retrieve
various forms
> of data on disk. This goes far beyond the simple PREV().
>
> Welcome to the AmiBroker community and Good luck!
>
> Herman.
>
>
> -----Original Message-----
> From: Jose [mailto:josesilva22@x...]
> Sent: Wednesday, June 11, 2003 3:25 AM
> To: amibroker@xxxxxxxxxxxxxxx
> Subject: [amibroker] Breakout system code
>
>
> I'm an old hand at MetaStock coding, and I thought it's time to give
> AFL a go. I have to admit, AB leaves MetaStock for dead...
>
> Anyway, here's my first AFL effort:
>
> ---8<----------------------
>
> /* plots breakout signals */
> /* josesilva22@xxxx */
> /* +1 signal=long, -1 signal=short */
>
> Title = "Breakout system";
> GraphXSpace = 10;
>
> pds1 = Param("HHV breakout periods",10,1,252,1);
> pds2 = Param("LLV breakout periods",10,1,252,1);
> x = Param("Op=1 Hi=2 Lo=3 Cl=4 Vol=5",4,1,5,1);
> delay = Param("Entry and Exit delay",0,0,3,1);
> display = Param("signals=1 binary=2",1,1,2,1);
>
> x = IIf(x==1,O,IIf(x==2,H,IIf(x==3,L,IIf(x==5,V,C))));
> In = x>Ref(HHV(x,pds1),-1);
> Out = x<Ref(LLV(x,pds2),-1);
>
> Init = Cum(In+Out>-1)==1;
> InInit = Cum(In)==1;
> Flag = BarsSince(Init OR In)<BarsSince(Init OR Out)+InInit;
> In = (InInit AND Ref(InInit,1)==0) OR (Flag AND Ref(Flag,-1)==0);
> Out = (Flag==0 AND Ref(Flag,-1)==1)*-1;
>
> Plot(Ref(IIf(display==1,In+Out,Flag),-delay),
>
> ---8<----------------------
>
>
> Can anyone here help me with these Q's:
>
> 1) Can I control the Parameters (Ctrl-R) slider order?
> 2) Is the Parameters dialog box resizable?
> 3) Is there a way to input variable periods into EMA's?
> 4) Is there an equivalent to MetaStock's Prev() function?
>
> I've got a million other questions, but I'm sure this will
> sufficiently annoy enough for now. :)
>
> Thanks,
> jose '-)
>
> http://users.bigpond.com/prominex/pegasus.htm#metastock
>
>
>
>
>
> Send BUG REPORTS to bugs@xxxx
> Send SUGGESTIONS to suggest@xxxx
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