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Hi Adam,
Had you by any chance done a hometrader course because your long entry
is along their lines.
Cheers
Norman
--- In equismetastock@xxxxxxxxxxxxxxx, Adam Parker <adamp_27@xxx>
wrote:
>
> Ok Preston thanks you for your explanation
>
>
> Here this is the system for every one
>
>
> 1. 200 moving average must be at least 4.5 *(10)ATR greater than it
was 50 days ago
> 2. ATR(30)/Mov(C,30,S)>300000
> 3. the trun over of 21 days must > than 30000
> 4.standard error gate (C,100) <0.32
> 5. close is the lowest low value in 8 days
> 6. this system perform best for blue chips
>
> Regards
>
>
> Adam
>
>
> Now I become clear
>
>
> ----- Original Message ----
> From: pumrysh <no_reply@xxxxxxxxxxxxxxx>
> To: equismetastock@xxxxxxxxxxxxxxx
> Sent: Wednesday, 20 December, 2006 7:04:59 AM
> Subject: [EquisMetaStock Group] Re: DMX...zero division...failure
value
>
> Adam,
>
> You can smooth at any point in an indicator BUT you should always
> ask at what cost and to what benefit. Let me explain. Smoothing is a
> way of taking the average over a period of time. It introduces lag
> or will slow down the responsiveness of the indicator. Try it for
> yourself...plot a close and a 5 day moving average on a daily chart.
> What happens? The close which has no lag on a daily chart and will
> always lead the moving average in direction and value.
>
> Your first consideration then should be whether or not you will
> benefit from the lag. In this instance as you have seen there is no
> benefit to using a weighted average. The reason is in the
> calculation of weighted versus exponential. An exponential average
> uses a percentage of recent calculations along with a percentage of
> previous calculations. Thus it is less likely to go to a zero value.
> Obviously a weighted average could have a zero value.
>
> The problem that you have encountered is a division by zero error
> and is one that has plagued coders for some time especially when
> dealing with a RSI type of calculation which the DMI is. There are a
> number of ways to solve the problem. In the various codes that I
> presented there were several solutions. You have just found one.
> Another is using Max(vt,.0000001) . In this code you are simply
> telling metastock to use the higher value of vt or .00000001.
> Therefore you would never have a zero value. Prev, prev is another
> way to solve the problem. My preference is not to use the prev
> statement simply because prev statements tend to slow down the
> calculation process.
>
> As far as smoothing you might want to smooth the final output value.
> Here you should be able to use any method without encountering any
> division error problems.
>
> I did notice your request for DMI systems. Here are some helpful
> hints. The DMI trades just like the RSI so any system that uses it
> will be adaptable to the DMI.
>
> Normally, the RSI is useless when the up or positive values equal
> the minus or down values. Since the RSI is scaled from 0 to 100 this
> occurs around the value of 50(failure value). There is also a
> limitation of the RSI when the 0 to 100 scale is used. In other
> words it is bound by its range. To overcome this obstacle I
> introduced a bipolar version of the indicator. The bipolar version
> takes away the scaling limitations allowing the values to exceed 100
> and moves the failure value to 0. Therefore it becomes far easier to
> associate the swings beyond the plus or minus 50 with some other
> turning event such as an increase in trading volume. Some beneficial
> reading might be the books of Wilder or Chande & Kroll.
>
> Hope you find this helpful,
>
> Preston
>
> --- In equismetastock@ yahoogroups. com, "adamp_27" <adamp_27@ .>
> wrote:
> >
> > Hi Preston
> >
> >
> >
> > I really appreciate on your effort. I got some questions in
> regards
> > to DMX that you have code
> >
> >
> > 1. could it be possible that the smoothing moving average
> > exponential argument be changed into weighted moving average
> >
> > 2. if the above mentioned can be changed why at this section
> > PDX:=ExtFml( "ForumDll. VarMOV",Up, pds,E);
> > MDX:=ExtFml( "ForumDll. VarMOV",Dw, pds,E); can not be changed. if
I
> > change this into W the error message appear on the text. this
> > formula is the second formula from 2 types of the given formula
> >
> >
> > Again, thanks for your advance knowledge in coding
> >
> >
> >
> > Regards
> >
> >
> > Adam
> >
> >
> >
> > --- In equismetastock@ yahoogroups. com, pumrysh <no_reply@>
wrote:
> > >
> > > Kevin,
> > >
> > > Thanks! Always tickled to see someone else enjoying and using
> code
> > > that we've written.
> > >
> > > The quick answer is to include this line after the original vt
> > > variable
> > >
> > > Vt:=Max(vt,. 0000001);
> > >
> > > So it should look like this:
> > >
> > > Vt:=(Stdev(C, 5)/Mov(Stdev( C,5),10,S) )*10;
> > > Vt:=Max(vt,. 0000001);
> > >
> > > The DMX discussion was a sentinel event because it introduced
> > > concepts that could be used in so many different ways. In it we
> > > introduced DLL's, the DMZ indicator, several DMI indicators and
> > > bipolar indexing. Seems that we did address the division by zero
> > > error then although it may have been in the context of the DMI
> and
> > > not the DMZ.
> > >
> > > The original DMX discussion started with a question on archived
> > post
> > > number 18862 and my answers began with archived post number
> 18868.
> > > This was around August 9th of 2005.
> > >
> > > A quick review:
> > > * The DMI is the same as a RSI with variable periods based on
> > > volatility
> > > * The DMX is Jurik's low lag version of the DMI
> > > * The DMZ is my version of Jurik's DMX
> > > * Corey Saxe and Jose originally wrote versions of the DMI
> without
> > > DLL's
> > > * A DLL allows you to use variable inputs where they could not
> > > normally be used
> > >
> > > I can't be certain about how close the DMZ is to Mark Jurik's
> DMX
> > > but know that Mark was once a member of this group and maybe he
> > > would be willing to verify it.
> > >
> > > Here is a another version of the DMZ. It uses the variable RSI
> > DLL .
> > >
> > > Enjoy!
> > >
> > > Preston
> > >
> > >
> > > {(DMZ)Dynamic Momentum Index}
> > > {similar to the Jurik DMX- a lowlag DMI}
> > > {written by Preston Umrysh}
> > > {This indicator uses Dll software developed by MetaStock Forum
> > Crew}
> > > {http://forum. equis.com)}
> > > Vt:=(Stdev(C, 5)/Mov(Stdev( C,5),10,E) )*10;
> > > Vt:=Max(vt,. 0000001);
> > > Period:= Input("ZeroLag Period",1,250, 10);
> > > EMA1:= Mov(C,Period, E);
> > > EMA2:= Mov(EMA1,Period, E);
> > > Difference:= EMA1 - EMA2;
> > > ZeroLagEMA:= EMA1 + Difference;
> > > x:=ZeroLagEMA;
> > > ExtFml( "ForumDLL.VarRSI" ,x ,vt)
> > > {end}
> > >
> > >
> > >
> > > --- In equismetastock@ yahoogroups. com, "Kevin and Heather
> Howard"
> > > <kjhoward@> wrote:
> > > >
> > > > Hi Preston,
> > > >
> > > > You posted the codes below last August and I have only now
> > > > had a chance to have a play with them. On first blush they
> seem
> > to
> > > > be very good, so thank you for sharing.
> > > >
> > > > I notice however when set as indicators within a template,
> > > > that when opening charts, I receive consistent error
> > > > warnings: "Division by zero errors".
> > > >
> > > > Is there anyway with your metastock wizardry, that these
> > > > division by zero warnings can be reduced or eliminated?
> > > >
> > > > Again my thanks for posting the codes in the first instance.
> > > >
> > > >
> > > > Kevin
> > > >
> > > >
> > > >
> > > > There are bold mushroom pickers and there are old mushroom
> > pickers,
> > > > but there are no bold old mushroom pickers.
> > > >
> > > >
> > > > -----Original Message-----
> > > > From: equismetastock@ yahoogroups. com
> > > [mailto:equismetastock@ yahoogroups. com]
> > > > On Behalf Of pumrysh
> > > > Sent: Friday, 12 August 2005 2:03 AM
> > > > To: equismetastock@ yahoogroups. com
> > > > Subject: [EquisMetaStock Group] Re: DMX
> > > >
> > > >
> > > > sumamura,
> > > >
> > > >
> > > > Try one of these and see which one comes the closest. Two
> > versions
> > > > here. Version A does not allow DMI periods to be set and has
> > > limited
> > > > lag periods. Version B gives more flexibility by utilizing
> some
> > of
> > > > Jose's coding techniques. You will need to compare these to
> > > Jurik's
> > > > DMX to see which one comes closer.
> > > >
> > > > Preston
> > > >
> > > > {Dynamic Momentum Xa (DMX)}
> > > > {version A - Does not allow DMI periods to be set}
> > > > {A low lag version of DMI written by Preston Umrysh}
> > > > {Indicator uses Dll developed by MetaStock Forum Crew }
> > > > {Available at <http://forum. equis.com> }
> > > > {For personal use only }
> > > > x:=Input("normal ouput=1 Biplolar index=2",1,2, 1);
> > > > Period:= Input("ZeroLag Period ",1,6,5);
> > > > {Division errors occur with lag beyond 6}
> > > > EMA1:= Mov(C,Period, E);
> > > > EMA2:= Mov(EMA1,Period, E);
> > > > Difference:= EMA1 - EMA2;
> > > > Z:= EMA1 + Difference;
> > > > Vt:=(Stdev(C, 5)/Mov(Stdev( C,5),10,S) )*10;
> > > > Umom:=If(Z>Ref( Z,-1),Z-Ref( Z,-1),0);
> > > > Dmom:=If(Z<Ref( Z,-1),Ref( Z,-1)-Z,0) ;
> > > > UPS:= ExtFml( "ForumDll.VarSUM" , Umom,Vt);
> > > > DNS:= ExtFml( "ForumDll.VarSUM" , Dmom,Vt);
> > > > SumU:=ExtFml( "ForumDll. VarMOV",UPS, Vt,e)/Vt;
> > > > SumD:=ExtFml( "ForumDll. VarMOV",DNS, Vt,e)/Vt;
> > > > RS:=SumU/SumD;
> > > > DMnm:=100-(100/ (1+RS));
> > > > DMIn:=(SumU- SumD)/(SumU+ SumD);
> > > > SDM:=If(x=1, DMnm,DMin) ;
> > > > PLOT:=Input( "[1]WMA [2]Wilders", 1,2,2);
> > > > SPD:= Input("Final Smoothing Periods",1,100, 3);
> > > > X:=Mov(SDM,SPD, W);{weighted}
> > > > Y:=Wilders(SDM, SPD);{wilders}
> > > > If(PLOT=1,X, Y)
> > > > {end}
> > > >
> > > >
> > > > {Dynamic Momentum Xb (DMX)}
> > > > {version B - Allows DMI periods to be set}
> > > > {A low lag version of DMI written by Preston Umrysh}
> > > > {Indicator uses Dll developed by MetaStock Forum Crew }
> > > > {Available at <http://forum. equis.com> }
> > > > {with coding ideas from Jose Silva }
> > > > {<http://www.metastoc ktools.com> }
> > > > {For personal use only }
> > > > pds:=Input(" DMI PERIODS",6,100, 14);
> > > > Period:= Input("Lag Period ",1,50,10);
> > > > EMA1:= Mov(C,Period, E);
> > > > EMA2:= Mov(EMA1,Period, E);
> > > > Difference:= EMA1 - EMA2;
> > > > X:= EMA1 + Difference;
> > > > Vt:=Stdev(x, 5)/Mov(Stdev( x,5),10,S) ;
> > > > pds:=pds/(Vt+ .14142);
> > > > pds:=If(pds> Cum(IsDefined( x))-13,
> > > > Cum(IsDefined( x))-13,pds) ;
> > > > pds:=If(pds< 2,2,pds);
> > > > Up:=If(x>Ref( x,-1),x-Ref( x,-1),0);
> > > > Dw:=If(x<Ref( x,-1),Ref( x,-1)-x,0) ;
> > > > PDX:=ExtFml( "ForumDll. VarMOV",Up, pds,e);
> > > > MDX:=ExtFml( "ForumDll. VarMOV",Dw, pds,e);
> > > > DSPL:=Input( "[1]Normal [2]Bipolar", 1,2,1);
> > > > PLOT:=Input( "[1]WMA [2]Wilders", 1,2,2);
> > > > SPD:= Input("Final Smoothing Periods",1,100, 3);
> > > > CDM:=PDX/ MDX;
> > > > NDM:=100-(100/ (1+CDM));
> > > > BDM:=100*(PDX - MDX)/
> > > > (PDX + MDX);
> > > > SDM:=If(DSPL= 1,NDM,BDM) ;
> > > > X:=Mov(SDM,SPD, W);{weighted}
> > > > Y:=Wilders(SDM, SPD);{wilders}
> > > > If(PLOT=1,X, Y)
> > > > {end}
> > > >
> > > >
> > > >
> > > >
> > > >
> > > >
> > > >
> > > > Yahoo! Groups Links
> > > >
> > >
> >
>
>
>
>
> Send instant messages to your online friends http://au.messenger.
yahoo.com
>
> [Non-text portions of this message have been removed]
>
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