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may I ask a question please?
when I am putting in an expert the expression
C<0.5*(H+L) for a bearish reversal bar indication,I always have an expert
symbol for the bar fullfilling this condition.
But,if I want a close closer to the low,for example
C<0.3*(H+L),or less,I never see an expert symbol on the appropriate bar.I
wonder what happens....Does Metastock reject the expression? because,I never get
an error message
thanks a lot
----- Original Message -----
Sent: Friday, September 02, 2005 10:51
AM
Subject: Re: [EquisMetaStock Group]
Projecting indicator direction into the future
Thank you Jose, this is exactly what I am looking for. I have put in
another 2 parallels to form a channel. Thank you once again for your big
help.
PJ Chai
On 9/2/05, Jose
Silva <josesilva22@xxxxxxxxx>
wrote:
Here's
a concept I thought about whilst on holidays:
Forward reference
(shift backwards on charts) and center a Moving
Average, then extend and
project the last known MA direction into the
future.
This method
gets around the no-plot in null (N/A) zone limitation in
MetaStock, and
can apply to any indicator or oscillator on charts or
separate
windows.
MetaStock -> Tools -> Indicator Builder -> New
->
Copy and paste complete formula between "---8<---"
lines.
=============
MA - centered
=============
---8<--------------------------
{ Centered Moving Average -
v3.0 }
{ Uses forward-referencing to center Mov Avg
and project future
direction.}
{ Uses hindsight - do not trade! }
{ ©Copyright 2005
Jose Silva
For personal use only.
http://www.metastocktools.com
}
{ User inputs }
fwPds:=Input("Forward-referencing
periods (automatic =
-1)",-1,2600,-
1);
proj:=Input("Project last known
MA: [1]Direction, [2]Value",1,2,1);
pds:=Input("Mov
Avg periods",1,2600,21);
type:=Input("[1]EMA [2]SMA [3]TmSr [4]Tri [5]Var
[6]Vol [7]Wght",1,7,
2);
{ Choose MovAvg type:
1 - Exponential
MA
2 - Simple MA
3 - Time Series MA
4 - Triangular MA
5 -
Variable MA
6 - Volume adjusted MA
7 - Weighted MA
}
ma:=
If(type=1,Mov(C,pds,E),
If(type=2,Mov(C,pds,S),
If(type=3,Mov(C,pds,T),
If(type=4,Mov(C,pds,TRI),
If(type=5,Mov(C,pds,VAR),
If(type=6,Mov(C,pds,VOL),
Mov(C,pds,W)))))));
{
Automatic period-centering
}
center:=LastValue(If(fwPds<0,Int(pds/2),fwPds));
{
Forward-referenced MovAvg }
fwd:=Ref(ma,center);
{ Last valid
MovAvg plot point }
lastVal:=IsUndefined(fwd)
AND
Alert(IsUndefined(fwd)=0,2);
{ Extend MovAvg plot into future null
zone }
xtend:=LastValue(fwd+PREV-PREV);
{ Restrict invalid initial
MovAvg plot }
movAvg:=Ref(Ref(xtend,pds-1),-pds+1);
{ Last MA
known direction & future projection
}
init:=Cum(IsDefined(movAvg))=1;
direction:=movAvg+
(
ValueWhen(1,init OR lastVal,Ref(movAvg,-1))
-ValueWhen(1,init OR
lastVal,Ref(movAvg,-2)))
*(BarsSince(init OR lastVal)+1);
{ Plot
MovAvg on price chart
}
If(proj=1,direction,movAvg)
---8<--------------------------
jose '-)
http://www.metastocktools.com
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