I'm not sure what you mean but I often put multiple systems on one page. I watch how they perform compared to the one I am actually auto trading. I also add other indicators at times to see if they will add anything to the logic.
Barry --- In [email protected], Dennis Brown <[EMAIL PROTECTED]> wrote: > > Would it work to use multiple virtualized systems on the same physical > machine? > > Dennis > > On Aug 18, 2008, at 10:47 AM, Barry Scarborough wrote: > > > I think it is safer to run multiple instances of AB on separate > > systems. I keep getting mixed or confusing results when I try to use > > two instances on one system. I was trying to capture 5 second data > > and run auto trading on the same system. I opened the auto trading > > first and then the 5 second. The data in the 5 second instance gets > > lost and I can't figure out why. I even tried to save it a few times > > during the day. I run it all day and when I looked at it later it > > isn't there. Well some of it is which is even more confusing, the > > most recent part. I have the database set to 100,000 bars so I should > > be able to capture about a month of data. Ain't working. So I started > > collecting the 5 second data on another system. I will see how that > > works. If using multiple instances on one system is supposed to work > > then someone needs to define the parameters for doing so. > > > > Barry > > > > --- In [email protected], "Paul Ho" <paul.tsho@> wrote: > >> > >> I think the easiest is to run multiple instances of AB, one per > > system. am i > >> missing something? > >> > >> > >> _____ > >> > >> From: [email protected] [mailto:[EMAIL PROTECTED] > > On Behalf > >> Of Barry Scarborough > >> Sent: Monday, 18 August 2008 9:46 PM > >> To: [email protected] > >> Subject: [amibroker] Re: About Automatic Analysis > >> > >> > >> > >> Herman he is talking about automatic analysis. How can you run more > >> than one formula at a time? AA defines the formula that is being > >> tested. > >> > >> You can test more than one system at a time by "forward testing". I > >> put my formula in a specially designed bar replay indicator that > > will > >> keep track of the number of positions/shares and the price when the > >> trade is made. I run BarReplay and feed 5 second data into the > >> formula. It tells where the trade is made, the conditions of all > > the > >> indicators at the trade, whatever the designer wants to track, and > >> the price at the trade. I calculate the gain as each trade is > > closed. > >> I post all of that in the interpretation window. Then you can click > >> on each formula and see what the stats are. I also dump this data > >> into _Trace so that I can go back later and focus in on a specific > >> area using DebugView when it doesn't trade as expected. Tracing > > more > >> than one formula is a pain and I typically use this for debug only. > >> > >> If you want to check longer periods you can capture hour or 15 > > minute > >> data and feed that into a EOD chart or weekly chart to see what is > >> going on in them. The shorter the period you feed into your formula > >> the more accurate the results. Let your imagination run away and > > you > >> can test/tweak almost anything this way. > >> > >> IMO that is more accurate than back testing since you are tracking > >> the almost true performance of the system. Anyway, that is how I > >> handle multiple formula analysis at a time. > >> > >> Barry > >> > > > > > > > > ------------------------------------ > > > > 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 > > > > > > >
