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RE: [amibroker] Re: Twiggs Money Flow formula



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<SPAN 
class=226491023-06032003>Perhaps you are using an older version of AB that does 
not support parameters? If so just set PDS=21 (or what ever look back you 
desire)......
 Jayson 
<FONT face=Tahoma 
size=2>-----Original Message-----From: Alan Nouray 
[mailto:alann@xxxxxxxxxxxx]Sent: Thursday, March 06, 2003 3:26 
PMTo: amibroker@xxxxxxxxxxxxxxxSubject: [amibroker] Re: 
Twiggs Money Flow formulaHi Jason,Thank you for 
your time posting the code. When I paste the code, I get the error 
message:Unknown identifier in 
line:pds=Param(--------^What could be the 
problem?Alan--- In amibroker@xxxxxxxxxxxxxxx, "Jayson" 
<jcasavant@xxxx> wrote:> Anthony,> I was not trying to rub 
it in at all. As a past MS user I had the same> problem understanding 
= and ==.  Any way, thanks for the link to the paper.> I tried 
to follow the logic he explained in the the construction and found a> 
different approach for translation in AB......> > > 
pds=Param("TMF periods",21,1,100,1);> TRH=Max(Ref(C,-1),H);> 
TRL=Min(Ref(C,-1),L);> tr=ATR(1);> 
ADV=((C-TRL)-(TRH-C))/tr*V;> sadv=Wilders(Adv,pds);> 
svol=Wilders(V,pds);> TMF=sadv/svol;> Plot(tmf,"Twiggs Money 
Flow",IIf(tmf>0,colorGreen,colorRed),2);> GraphXSpace=5;> 
> > The resulting value is the same as the MS translation however 
it does not> use the WV calculation that confused me and utilizes the 
built in ATR> function. You might also enjoy the histogram variation 
as it clearly> demonstrates accumulation versus distribution.> 
> > Jayson> -----Original Message-----> From: 
Anthony [mailto:axon50@xxxx]> Sent: Thursday, March 06, 2003 7:34 
AM> To: amibroker@xxxxxxxxxxxxxxx> Subject: [amibroker] Re: Twiggs 
Money Flow formula> > > Hi Jayson,> No need to rub 
it in. Anthony F. has already pointed out my> stupidity :(> 
> Seriously though, there was a huge lag yesterday before posts 
were> coming up so I guess you did not see my earlier admission 
of> dumbness.> > I remember all sorts of variations like 
.EQ. for "equals" and I> always used to read := as "set to equal"> 
Very confusing for an amateur. I have never used Metastock but its> 
combination for "equals" seems easier to grasp.> > Back to the 
topic. The formula now works and for those unfamiliar> with it and would 
like to read more, check out> <A 
href="">http://www.incrediblecharts.com/technical/twiggs_money_flow.htm> 
> Best regards,> Anthony> > --- In 
amibroker@xxxxxxxxxxxxxxx, "Jayson" <jcasavant@xxxx> wrote:> > 
Anthony,> > I also do not understand the logic behind line 6 however, 
I think> the reason> > your code is failing is due to  
your use of the equal sign. When> you set a> > variable you 
use,  =  as in    x=c+1;> > However when you 
are trying to use mathematical equal within the> code you> > 
must use == as in c==42> >> 
>       No Symbol Meaning> 
>       1 ^ Exponentiation> 
>       2 - Negation - Unary minus> 
>       3 * Multiplication> 
>       4 / Division> 
>       5 + Addition> 
>       6 - Subtraction> 
>       7 < Less than> 
>       8 > Greater than> 
>       9 <=  Less than or equal 
to> >       10 >= Greater than or 
equal to> >       11 == Equal to> 
>       12 != Not equal to> 
>       13 & Bit-wise "And" (AFL 
2.1+)> >       14 | Bit-wise "Or" (AFL 
2.1+)> >       15 NOT Logical 
"Not"> >       16 AND Logical 
"And"> >       17 OR Logical 
"Or"> >       18 = Variable assignment 
operator> >> >> >> > try....> 
>> >> > periods=Param("TMF periods",21,1,100,1);> 
> TRH=Max(Ref(C,-1),H);> > TRL=Min(Ref(C,-1),L);> > 
TR=TRH-TRL;> > ADV=((C-TRL)-(TRH-C))/(IIf(TR==0,999999,TR))*V;> 
> WV=V+(Ref(Volume,-1)*0);> > 
TMF=IIf(WV==0,0,Wilders(ADV,periods)/Wilders(WV,periods));> >> 
> Plot(tmf,"",colorRed,1);> >> >> > 
Jayson> > -----Original Message-----> > From: Anthony 
[mailto:axon50@xxxx]> > Sent: Wednesday, March 05, 2003 8:32 
PM> > To: amibroker@xxxxxxxxxxxxxxx> > Subject: [amibroker] 
Twiggs Money Flow formula> >> >> > Hi all> 
> I have seen people using this and became curious enough to check 
it> > out. It is based on the theme of the Chaiken Money Flow 
Index but is> > designed to better handle price gaps and volume 
spikes. Colin Twiggs> > is behind it.> >> > He 
has given a Metastock formula for it:> > periods:=Input("TMF 
periods",1,100,21);> > TRH:=Max(Ref(C,-1),H);> > 
TRL:=Min(Ref(C,-1),L);> > TR:=TRH-TRL;> > 
ADV:=((C-TRL)-(TRH-C))/If(TR=0,999999,TR)*V;> > 
WV:=V+(Ref(V,-1)*0);> > 
If(WV=0,0,Wilders(ADV,periods)/Wilders(WV,periods))> >> > 
Now even though I cannot work out what the sixth line is supposed to> 
> represent you would think that this was easy enough for me to> > 
translate but whatever I have done is wrong:> > periods=Param("TMF 
periods",21,1,100,1);> > TRH=Max(Ref(C,-1),H);> > 
TRL=Min(Ref(C,-1),L);> > TR=TRH-TRL;> > 
ADV=((C-TRL)-(TRH-C))/(IIf(TR=0,999999,TR))*V;> > 
WV=V+(Ref(Volume,-1)*0);> > 
TMF=IIf(WV=0,0,Wilders(ADV,periods)/Wilders(WV,periods));> >> 
> Any thoughts appreciated> >> > Regards> > 
Anthony> >> >> 
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