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Could you post a simple example to how u overcome this type of
problem ?
Thank you and appreciate
.dmyy2k
--- In equismetastock@xxxxxxxxxxxxxxx, "MG Ferreira" <quant@xxxx>
wrote:
>
> This particular problem is a pain in the backside and I often run
into
> it. Whenever a function indicates that it takes 'Periods' as an
> argument, then it can not take an array, only a constant. Almost
> anything in MS then can not be used here. What I do is to rewrite
the
> function - this is usually quite a struggle - to not use an array in
> say the HHV function. I have only looked very briefly at your code,
> and have no solution but this suggestion. Also, I think the error
> actually starts earlier, at the following line:
>
> > BH:=LLV(Close,BLH);
>
> as this is the first time you use an 'array' BLH in the LLV
function.
>
> Regards
> MG Ferreira
> TsaTsa EOD Programmer and trading model builder
> http://www.ferra4models.com
> http://fun.ferra4models.com
>
>
>
> --- In equismetastock@xxxxxxxxxxxxxxx, dmyy2k <no_reply@xxxx> wrote:
> >
> >
> > Some very kind forumer has recommended ( in amibroker language)
> > http://www.amibroker.com/library/detail.php?id=306
> >
> > I tried to convert it to metastock language but hit some command
error
> >
> > Problem:
> > Hit syntax error:" LLV and LLVBars expecting constant instead of
> > variable in metastock"
> > anyone has workaround if we can't solve the problem with that
> > MetaStock ommand ?
> >
> > Thank you and appreciate very very much.
> > best wishes
> > //dmyy2k@xxxx
> > ====
> > MinPrice:=0.20; { 2}
> > MinVolume:=200000; {100K}
> >
> > LH:=HHV(Close,25);
> > BLH:=HHVBars(Close,25);
> >
> >
> > BH:=LLV(Close,BLH);
> > BBH:=LLVBars(Close,BLH);
> >
> > NBLH:=BLH-BBH;
> >
> > BC:=LLV(Close,BLH+25); {e.g. !!!! hit error here }
> > BBC:=LLVBars(Close,BLH+25);
> >
> >
> > LC:=Ref(HHV(Close,120),BBC*-1);
> > BLC:=Ref(HHVBars(Close,120),BBC*-1);
> >
> >
> > KC:=Ref(HHV(Close,30),BLC*-1);
> > BKC:=Ref(HHVBars(Close,120),BLC*-1);
> >
> > Delta:= LC/KC;
> >
> > URPV=DRPV=0;
> > i=barssince(BLH);
> > j=barssince(BBC);
> > countback:=j-i
> > UPRV:= sum(
> > if(Ref(C,i*-1) >Ref(i+1)*-1),
> > Ref(V,i*-1) * ( Ref(C,(i*-1)) - Ref(C,(i+1)*-1) ),
> > UPRV) , countback) ;
> > DRPV:= sum(
> > if(Ref(C,i*-1) Ref(V,i*-1) * ( Ref(C,(i+1)*-1) - Ref(C,(i*-1)) ),
> > DRPV) , countback);
> >
> >
> > Alpha := URPV/DRPV; { // Should be>1}
> >
> >
> > DRPV:=0;
> > i:=barssince(BBH);
> > j:=barssince(BLH);
> > countback2=j-i
> > DRPV:= sum(
> > if(Ref(C,i*-1) Ref(V,i*-1) * ( Ref(C,(i+1)*-1) - Ref(C,(i*-1)) ),
> > DRPV) , countback);
> >
> >
> > Beta := URPV/DRPV;
> > Gamma := log(Alpha) + log(Beta) + delta;
> >
> > {NBHL ?}
> > NBLH >2 AND C>BH AND BC (0.8*LH + 0.2*BC)) AND
> > KC < LC AND C>MinPrice AND MOV(V,30)>MinVolume
> >
> > {
> > AddColumn(LH,"Left Handle");
> > AddColumn(BH,"Bottom Handle");
> > AddColumn(BC,"Bottom Cup");
> > AddColumn(LC,"Left Cup");
> > AddColumn(ALPHA,"Alpha");
> > AddColumn(DELTA,"Delta");
> > AddColumn(BETA,"BETA");
> > AddColumn(GAMMA,"Gamma");
> >
> > }
> > { // Filter Criteria as follows: }
> > { // 1. Right side of handle must be at least 2 bars. NBHL>2 }
> > { // 2. Bottom of the cup must be lower than the left top of the
> > cup. }
> > { // 3. Left handle must be lower than or equal to the lect cup
> > formation. }
> > { // 4. Bottom of the cup must be less than the left handle. }
> > { // 5. Bottom of the handle must be > 80% of the left handle +
20%
> > of the bottom cup. }
> > { // 6. Start of cup/handle formation must be greater than
precedding
> > chart value. LC>LC }
> > { // 7. Minimum price and volume you can set any way you like. }
> > {Filter= NBLH>2 AND Close>BH AND BC.8*LH+.2*BC
> > AND KCMinPrice AND MA(Volume,30)>MinVolume;}
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