Thanks for clarification, TJ. I still would like to have a script that removes old intraday data from mixed eod/intraday data files. Backfilling intraday data for hundreds of tickers can bog down the download. I'll create a separate thread for that. Maybe someone has such a such a script.
Lester --- In [email protected], "Tomasz Janeczko" <[EMAIL PROTECTED]> wrote: > > > > > 1) There were some reports on this forum from users about formulas that got > > "confused" using mixed data. > > No, no formula can be confused if only "mixed EOD/intraday" is ON because > AMiBroker takes all overhead > of extracing EOD data when periodicity or viewing interval is set to daily > and extracting intraday only if intraday > viewing interval is picked. From the formula point of view it looks like you > were running separate dbs. > > > > > 2) How to extract only-eod and only-intraday data for export to ASCii > > files, in case you want to use that data with other charting > > programs. > > AA Export > http://www.amibroker.com/kb/2006/03/04/how-to-export-quotations-from-amibroker-to-csv-file/ > > > > > 3) Maintaining clean data in mixed mode sounds like a nightmare. What about > > a situation when you watch some ticker in RT for a > > week and then forget about it. You end-up with the file which is mostly eod > > and has a few days of RT a few months back. A script > > to clean this out would be needed. > > Not really. If you are using eSignal (which has mixed eod/intraday supported) > it is all backfilled automatically and you can go for > vacation for 120 days > and it will still continue to have everything automatically backfilled. In > worst case you just do "force backfill" and you end up > with correct data. > > > Best regards, > Tomasz Janeczko > amibroker.com > ----- Original Message ----- > From: "Lester Vanhoff" <[EMAIL PROTECTED]> > To: <[email protected]> > Sent: Tuesday, December 26, 2006 11:24 PM > Subject: [amibroker] Re: Which Folders Are Shared By Default Between Multiple > AB Installations > > > >> TJ: when having two installations in DIFFERENT folders there are NO > >> folders shared by default ... > > > > Well, I have v4.80.1 (eod) and v4.89.0 (1 minute) installed on the same > > computer in different folders: > > > > - E:\AmiBroker > > - E:\AmiBrokerR > > > > Eod database is: D:\AmiBroker\Data2 > > RT database is: D:\AmiBroker\Data4 > > > > When I first tried to access AA on the new installation it just defaulted > > to formulas folder from the old installation. After > > fixing that and then trying to access AA from the old installation, it > > opened formula folder from the new installation. This must > > have something to do with the registry. Personally, I find it better to use > > a single folder for both installations and have no > > complaints. > > > >> TJ: You don't need two installations. From Single installation you can run > >> multiple times and load different databases. > > > > Switching between databases when you trade in real time is inconvenient. > > "Mixed eod/intraday" data sounds like a solution but > > there are a few issues: > > > > 1) There were some reports on this forum from users about formulas that got > > "confused" using mixed data. > > > > 2) How to extract only-eod and only-intraday data for export to ASCii > > files, in case you want to use that data with other charting > > programs. > > > > 3) Maintaining clean data in mixed mode sounds like a nightmare. What about > > a situation when you watch some ticker in RT for a > > week and then forget about it. You end-up with the file which is mostly eod > > and has a few days of RT a few months back. A script > > to clean this out would be needed. > > > > ------------ > > > > --- In [email protected], "Tomasz Janeczko" <groups@> wrote: > >> > >> You don't need two installations. From Single installation you can run > >> multiple times and load > >> different databases (File->Open database). > >> > >> And NO, when having two installations in DIFFERENT folders there are NO > >> folders shared by default, except > >> if you set your own custom shared folders for formulas (via Prefs). What > >> is shared is REGISTRY - there is > >> ONE registry entry PER WINDOWS USER. If you want separate entries you need > >> to login as two different Windows Users. > >> > >> All in all, single installation and multiple databases is easier and > >> better setup. > >> > >> Best regards, > >> Tomasz Janeczko > >> amibroker.com > >> ----- Original Message ----- > >> From: "Lester Vanhoff" <ebsn247lsm@> > >> To: <[email protected]> > >> Sent: Tuesday, December 26, 2006 11:54 AM > >> Subject: [amibroker] Which Folders Are Shared By Default Between Multiple > >> AB Installations > >> > >> > >> >I have two AB installations on the same computer (one for Eod and one for > >> >intraday). I have noticed that when I use the second > >> >installation some folders in AA simply default to first installation's > >> >path. > >> > > >> > This is not a bad thing as it allows keeping all formulas in one place, > >> > but I'm not sure if it's by design or by coincidence > >> > and > >> > which folders are affected. Right after installing the second instance > >> > of AB I copied all files from Formulas and Formats > >> > folders > >> > from the first to the second instalation so now it's difficult to figure > >> > out what's shared by default and what's not. > >> > > >> > Tnx > >> > > >> > > >> > > >> > > >> > 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 > >> > > >> > > >> > > >> > > >> > > >> > > > > > > > > > > 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 > > > > > > > > > > >
