Thanks for everyones help and advise - back to reading the docs. Just never expected the transition to AB to be so difficult - probably easier if I could wipe prior knowledge.
Thamks Graham > > Hello, > > By default you are operating on ARRAYS not on single values. > > A must-read for everyone starting out: > http://www.amibroker.com/guide/h_understandafl.html > > In short: RECURSIVE calculations need a FOR loop and [] operator > http://www.amibroker.com/guide/keyword/for.html > > "For" loop and array subscript operator [] gives you acces > to INDIVIDUAL values. > > Best regards, > Tomasz Janeczko > amibroker.com > ----- Original Message ----- > From: "Graham Johnson" <[EMAIL PROTECTED]> > To: <[email protected]> > Sent: Sunday, January 27, 2008 8:00 AM > Subject: [amibroker] Re: Identify bar for actual Buy > > > > Hi > > > > The bottom line with this is that I want to be able to set a stop and > > have control over it. > > > > After thinking it through, I decided that the first step was to set > > the stop for the first Buy signal and keep it at the same value until > > a Sell signal and then set it to 0 again. > > > > Seemed like a great theory but the stop value is reset at each bar > > and therefore does not maintain a constant value. Maybe it is a > > mindset thing - my professional experience was with procedural > > languages and AFL taxes my thinking processes sometimes - maybe > > something about teaching an old dog new tricks... > > > > Anyway, the snippet of code for setting the stop is as follows > > > > Buy = Ref(vaValidEntry,-1) AND Low <= Ref(vaLimitEntry, -1); > > BuyPrice = Min(Open, Ref(vaLimitEntry, -1)); > > vaIStopVal = ATR(vISATRPer) * vISMult; > > vaInitStop = 0; > > vaInitStop = IIf(((Buy == 1) AND (Ref(vaInitStop, -1) == 0)) , > > BuyPrice - (Ref(vaIStopVal, -1)), Ref(vaInitStop, -1)); > > _TRACE(" | buy: " + Buy + " | stop: " + vaInitStop + " | PrevStop: " > > + Ref(vaInitStop, -1)); > > > > Any ideas as to where I've gone wrong and why it is resetting the > > value each bar, please. > > > > Graham > > > >> I'm sure that a solution for this has been on the forum, but - > > after > >> much searching...... > >> > >> Code is for a Long system that does not pyramid. > >> > >> I am looking to manually code the disaster stop, so need to be able > > to > >> set the stop on the day that the trade is actually entered, and not > >> have the water muddied by subsequent signals that are not taken > > because > >> the system does not pyramid. > >> > >> I know that the ApplyStop function is available, but I need to > > acquire > >> the technique for controlling stops programatically. > >> > >> Hopefully, this is clear. > >> > >> Graham > >> > > > > > > > > > > Please note that this group is for discussion between users only. > > > > To get support from AmiBroker please send an e-mail directly to > > SUPPORT {at} amibroker.com > > > > For NEW RELEASE ANNOUNCEMENTS and other news always check DEVLOG: > > http://www.amibroker.com/devlog/ > > > > For other support material please check also: > > http://www.amibroker.com/support.html > > > > Yahoo! Groups Links > > > > > > >
