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Hi, I know Ive asked a similair question before, so please forgive me,
Im trying to understand what Im doing wrong. Ive wrote this indicator
to plot upper and lower bands at a constant width form a centred ma:
Average:=Input("TimePeriods",0,2000,201);
totalAveperiods:=LastValue(Cum(Mov(C,Average,S)>-1000));
shift:=Average/2;
mildev:=(
Sqrt(((Sum(Power(Ref(C,-shift)-Mov(C,Average,S),2),totalAveperiods))-(Power(Sum(Ref(C,-shift)-Mov(C,Average,S),
totalAveperiods),2)/ totalAveperiods))/(totalAveperiods-1)));
mildev;
Upper := (Mov(C,Average,S) + LastValue(2*LastValue(mildev)));
Ref(Upper,shift);
Ave:=Mov(C,Average,S);
Ref(Ave,shift);
Lower := (Mov(C,Average,S) - (2*LastValue(mildev)));
Ref(lower,shift);
I had a previos problem with it not lining up correctly. I seem to
have fixed this although have no idea how. I use this a my default
Template and this seems to be were Im having problems. My shares are
spread of 10 folders, when I originally built the indicator I used two
of these folders. Now, when I open any share in any folder other than
the two I used, the plot/template is perfect but when I open a share
in either of the two original folders all is not well. If I scroll
through the folder some might plot the indicator and some wont. Ive
checked theres enough data in the files. Can anybody throw some light
on this. Also is there a line I could add to the formula to avoid
error message when theres not enough data.
Regards Robert
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