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Simon ... thank you for the feedback regarding the MS flip flop inputs you have
had.
As I understand it all the examples gave only a spike towards the +1 or -1 when
(and only when) the appropriate conditions were met.
Guy Tann had an innovative way of forcing the spike to a stable flip flop
condition.
In my solution, the previous function ensures that the condition of the last
spike is held until a spike in the opposite direction occurs.
You did not comment on my proposed solution. Did you test it ?
Best Regards ... Martin
Simon Roberts wrote:
> Onno, my mail of 27th Sept got helpful replies from Guy, Martin Haesler,
> Gerhard, and Ton Maas, and I tried them all;
>
> 1)The Maas one did not work quite, it had a bias towards the buy side as
> the logic was not balanced, but works if modified as follows CondA is the
> buy condition, and condB the sell condition etc
> Modified Maas formula;
> If(Ref(condA,-1)=0 AND (condA =1), 1,
> If (Ref((condB,-1)=0 AND (condB = 1),-1,0))
> This gives a +1 spike on condA, a-1 spike on cond B, otherwise is zero.
>
> 2)Alternatively, Guy Tann's code shows a true binary wave, +1 during long,
> -1 during short phases; slightly modified for MS6.5 and my code;
>
> test;= If(condA,+1,If(condB,-1,0));
> If(Mov(test,2,E),>,0,+1,-1)
>
> 3) Gerhard's gave a biased spike signal when I ran it, and as both the
> above worked, I left it at that.
>
> For the last three weeks I have been out in my orchard harvesting apples,
> which involves walking round in circles for hours on end, behind a
> pedestrian machine, and breathing lots of fumes, either of which can make
> me dizzy, and unlikely to be able the think logically.
>
> To all who helped, thank you. Soon I will post the next stage of my
> day-trading system as it develops.
>
> So it goes,
>
> Simon.
>
> E mail; Roberts@xxxxxxxxxxxxxxxxxxx
>
> ----------
> > From: Fred Bender <fbender@xxxxxxxxxxx>
> > To: metastock@xxxxxxxxxxxxx
> > Cc: Roberts@xxxxxxxxxxxxxxxxxxx
> > Subject: Re: can metastock do flip flops?
> > Date: 11 October 1998 04:20
> >
> > Onno,
> >
> > This should work.
> >
> > If(RSI(14)<30,2,0) +
> > If(RSI(14)<70 and RSI(14)>30,1,0 +
> > If(RSI(14)>70,-2,0)
> >
> > Your buy signal would be +2; sell would be -2; anything else you
> > just hold your position.
> >
> > Best,
>
> ----------
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