Open qp_meta.exe.  The last button is “edit translate table”.

 

Hope this helps.

 

Lionel

 

From: [email protected] [mailto:[EMAIL PROTECTED] On
Behalf Of Edward Pottasch
Sent: Sunday, May 27, 2007 1:57 AM
To: [email protected]
Subject: Re: [quotes-plus] changes in the database

 

ok thanks I couldn't find it but I will check with Amibroker since I use QP
data only through Amibroker. There is a database setting in Amibroker that
will not retrieve symbols without data but even before this function was
added I believe symbols just lost all historical data once they were
delisted from their exchange,

 

rgds, Ed

 

 

 

----- Original Message ----- 

From: HYPERLINK "mailto:[EMAIL PROTECTED]"Lionel Issen 

To: HYPERLINK
"mailto:[email protected]"[email protected] 

Sent: Sunday, May 27, 2007 4:14 AM

Subject: RE: [quotes-plus] changes in the database

 

QP has a feature, I think its called a dictionary, that enables your to
continue using your old symbols which QP recognizes as equivalent to the new
signals.

Lionel

From: HYPERLINK
"mailto:[email protected]"[email protected]
[mailto:[EMAIL PROTECTED] On Behalf Of Edward Pottasch
Sent: Saturday, May 26, 2007 4:42 PM
To: HYPERLINK
"mailto:[email protected]"[email protected]
Subject: Re: [quotes-plus] changes in the database

hi,

splits are one reason why my backtest looks a little different from one day
to the other simply because a signal is not generated after a split or the
other way around. Another more important reason for backtests to suddenly
change is the fact that symbols are removed from 1 day to the other.
Friday's backtest still used HCA en CMVT while the backtest for monday will
not use them since the symbols are no longer there ...

I understand that symbols that are no longer valid are removed but for
backtesting it is horrible ... for proper portfolio backtesting one would
need symbols to remain in the database for some period of time in my
opinion.

regards, Ed

----- Original Message ----- 

From: HYPERLINK "mailto:[EMAIL PROTECTED]"gary 

To: HYPERLINK
"mailto:[email protected]"[email protected] 

Sent: Friday, May 25, 2007 12:55 PM

Subject: Re: [quotes-plus] changes in the database

There is no list you can look at.

There can be a lot of changes on any day, yesterday, a lot of dead symbols
were deleted.

Here are the recent splits:

SYMBOL,DATE,NEWQUAN,OLDQUAN
VIVO  ,5/14/2007,3,2
GENRD ,5/15/2007,1,6
AOGS  ,5/15/2007,1,20
AAA   ,5/15/2007,69.75,25.12999916
INSP  ,5/16/2007,24.59000015,18.29000092
MZ    ,5/16/2007,1,10
NXY   ,5/16/2007,2,1
FCEN  ,5/16/2007,1.5,1
EWNR  ,5/16/2007,10,1
TPC   ,5/16/2007,1,10
CECB  ,5/17/2007,2,1
RDDI  ,5/17/2007,2,1
IBOC  ,5/17/2007,1.100000024,1
CZNB  ,5/18/2007,1.049999952,1
IBOC  ,5/19/2007,1.100000024,1
AMLS  ,5/21/2007,1,20
IEX   ,5/22/2007,3,2
KSW   ,5/22/2007,1.049999952,1
SAMBD ,5/23/2007,1,2.5
WAIN  ,5/23/2007,1.049999952,1
VCBC  ,5/24/2007,1.049999952,1
IDUL E,5/24/2007,1,1000
APPA  ,5/25/2007,1,4
PCBK  ,5/29/2007,1.100000024,1
FPBI  ,5/29/2007,1.049999952,1
ATLS  ,5/29/2007,1.5,1
GIL   ,5/29/2007,2,1
FLPB  ,5/30/2007,1.049999952,1
PPFS  ,5/30/2007,1.039999962,1
POT   ,5/30/2007,3,1
SOCB  ,5/30/2007,1.100000024,1
PRWT  ,5/30/2007,1.049999952,1
FMX   ,5/31/2007,3,1
VSEA  ,5/31/2007,3,2

Gary

----- Original Message ----- 

From: HYPERLINK "mailto:[EMAIL PROTECTED]"Edward Pottasch 

To: HYPERLINK
"mailto:[email protected]"[email protected] 

Sent: Friday, May 25, 2007 4:33 AM

Subject: [quotes-plus] changes in the database

hi,

is there a list where QP3 shows what changes are made to the database? For
instance splits?  Sometimes I get a difference in the return of a backtest
which I can't explain. Today I downloaded the data on both computers so I
can not locate where the difference occurs. Usually this is caused due to a
split.

Which changes were made yesterday? And where can I find a list of changes
for future reference?

thanks, Ed

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