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Tomasz's betas aren't like MS betas - they
can be expected to work better than the previous version. You can always
follow the suggestions and backup the previous version before updating. I
confess to becoming complacent with the Wiz's consistent demonstrated
competences!
Cheers,
Richard
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>
----- Original Message -----
<DIV
>From:
<A title=greg.bean@xxxx
href="">greg
To: <A title=amibroker@xxxxxxxxxx
href="">amibroker@xxxxxxxxxxxxxxx
Sent: Sunday, April 21, 2002 6:02
PM
Subject: Re: [amibroker] Re: Code help
requested - Control length of trade
Thanks, Mark. I wasn't going to update to most
recent beta ... thought I would wait for V4.0 . I'm a little apprehensive
about betas in general. Well, as they say "No guts, No glory" ! I've just
learned a valueable lesson. " Don't fear to tred where Tomasz has led" . Sorry
to be so "corny" . Gettin with it , got the beta.
Thanks,
Greg
<BLOCKQUOTE
>
----- Original Message -----
<DIV
>From:
MarkF2
To: <A title=amibroker@xxxxxxxxxxxx
href="">amibroker@xxxxxxxxxxxxxxx
Sent: Sunday, April 21, 2002 7:07
PM
Subject: [amibroker] Re: Code help
requested - Control length of trade
Greg- When you have the potential for multiple
signals, the best way to control trade length is with the ExRemSpan
function that Tomasz recently introduced. The function syntaxis
explained in the beta notes. Here's an example. Let's say
you always want to sell after 10 bars.Buy = Your buy
rules;Buy = ExRemSpan(Buy, 10);Sell = Ref(Buy,
-10);Mark--- In amibroker@xxxx, "greg"
<greg.bean@xxxx> wrote:> Ken,> > Thanks for
bringing me back to that " sell =
Ref(Buy,-20) " I had tried it previously but something
I had done was blocking it. The sell = Ref(Buy,-20)
statement works for me sometimes and then not at other times. I've got
to leave this for awhile, and think about it later. I can't think
anymore at this point.Thanks for your help> >
Greg> ----- Original Message ----- >
From: Ken Close > To: amibroker@xxxx >
Sent: Sunday, April 21, 2002 12:47 PM> Subject: RE:
[amibroker] Code help requested - Control length of trade>
> > Greg: I was thinking that your original
statement> > sell = Ref(Buy,-20) rather than what
you tried sell = Ref(Buy,20);> > Did you ever try
this?> > Ken> -----Original
Message-----> From: greg
[mailto:greg.bean@xxxx]> Sent: Sunday, April 21, 2002
10:02 AM> To: amibroker@xxxx> Subject:
Re: [amibroker] Code help requested - Control length of trade>
> > Hi,> > I think I've
got it now. My use of ExRem was messing me up. > >
This seems to work ok.> > /* MI Screens
BackTest*/> > //Buy at open on first Monday Of
Month //> > Buyday = DayOfWeek()==1 AND
Day()>=1 AND Day()<=7; // buy on Monday>
> //Sell on Friday, 4 weeks after buy//>
> Sellday = DayOfWeek()==5 AND Day()>=21 AND
Day()<=31;//sell on friday> > Buy=Buyday
;> > Sell= Sellday; // sell on Friday 20 days
after buy> > > >
//ApplyStop(2,3,Optimize("TrailingStop",15,0,20,5),1);> >
> > Greg> > > >
> > > > ----- Original
Message ----- > From: greg
> To: AmiBroker@xxxx
> Sent: Sunday, April 21, 2002 10:12
AM> Subject: [amibroker] Code help requested
- Control length of trade> >
> Hi,>
> Been trying a few things for the past 3
hours but can't seem to get it right. Please help before I get divorced
:) .> Trade Rules:>
> 1. Buy at open on first monday of
month.> 2. Sell at open on Friday 4 weeks
later (sell after 28 days). That's sell after 20 bars . I think
?> > Pretty simple. But I guess I'm
even more simple:( > > I've
tried sell=ref(buy,20).
>
sell = barssince(buy)=20> > and
various other tthings, but I'm getting nowhere.>
> Here's what I've got so far.>
> /* MI Screens BackTest*/>
> //Buy at open on first Monday Of Month
//> > Buyday = DayOfWeek() == 1; //
buy on Monday> > //Sell on Friday, 4
weeks after buy//> > Sellday =
DayOfWeek()==5;//sell on friday> >
Buy=Buyday ;> > Sell=Sellday+20; //
sell on Friday 20 days after buy> >
//ApplyStop(2,3,Optimize("TrailingStop",15,0,20,5),1);>
> Buy=ExRem(Buy,Sell);>
> Sell=ExRem(Buy,Sell);> >
> > > > >
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