These both generate the same value neither of which is accurate: VolumeSumB = Sum(Ref(Volume, -1), 3); VolumeSumB = Ref(Sum(Volume, 3), -1);
--- In [email protected], Aron <aron.gro...@...> wrote: > > have you tried: > > VolumeSum = sum(Volume, 3); > VolumeSumB = ref(VolumeSum, -1); > > On 3/5/2010 5:43 PM, davemabe2000 wrote: > > I'm trying to add the volume of the three previous bars (not including the > > current one) in my backtest. > > > > If I sum them up "manually" I get one value: > > > > VolumeSumA = Volume[i-1] + Volume[i-2] + Volume[i-3]; > > > > But when I try using Sum and Ref to do it I get a different value for some > > reason. > > > > VolumeSumB = Sum(Ref(Volume, -1), 3); > > > > But VolumeSumA != VolumeSumB. > > > > What should I be using for Sum and Ref to get it to work properly and equal > > VolumeSumA above? > > > > > > > > ------------------------------------ > > > > **** IMPORTANT PLEASE READ **** > > This group is for the discussion between users only. > > This is *NOT* technical support channel. > > > > TO GET TECHNICAL SUPPORT send an e-mail directly to > > SUPPORT {at} amibroker.com > > > > TO SUBMIT SUGGESTIONS please use FEEDBACK CENTER at > > http://www.amibroker.com/feedback/ > > (submissions sent via other channels won't be considered) > > > > For NEW RELEASE ANNOUNCEMENTS and other news always check DEVLOG: > > http://www.amibroker.com/devlog/ > > > > Yahoo! Groups Links > > > > > > > > >
