Re: [GT] Problem with display_indicator/EMA/revision 599

["João Costa" <joaocosta AT zonalivre.org>]

Are you using the latest HEAD repository or do you have differences in
GT/Tools.pm and/or GT/Indicators/EMA.pm ?


On Fri, Jul 25, 2008 at 11:48 AM, Weigert, Thomas <weigert
AT
mst.edu> wrote:
> João,
>
> I do not see any problems in my installation. I do not have your EURUSD to try, but please see the run below using SPY.
>
> There are many places where difficulties could come in. I am loading the data below from a text file. Maybe you are using a data base?
>
> Please tell me how you get your data, or send me the data file, so I can try...
>
> Thanks, Th.
>
> 547 % ./display_indicator.pl I:EMA SPY 20
> Calculating indicator EMA[20, {I:Prices CLOSE}] ...
> EMA[20, {I:Prices CLOSE}][2006-07-24] = 121.6165
> EMA[20, {I:Prices CLOSE}][2006-07-25] = 121.7102
> EMA[20, {I:Prices CLOSE}][2006-07-26] = 121.8102
> ....
> EMA[20, {I:Prices CLOSE}][2008-07-15] = 127.6092
> EMA[20, {I:Prices CLOSE}][2008-07-16] = 127.2616
> EMA[20, {I:Prices CLOSE}][2008-07-17] = 127.0653
> EMA[20, {I:Prices CLOSE}][2008-07-18] = 126.9619
> 548 %
>
> ________________________________
>
> From: João Costa [mailto:joaocosta
AT
zonalivre.org]
> Sent: Fri 7/25/2008 5:35 AM
> To: devel
AT
geniustrader.org
> Subject: [GT] Problem with display_indicator/EMA/revision 599
>
>
>
> There is something wrong somewhere, and it seems to have happened in
> revision 599.
>
> If I do:
>
> svn co --revision 598 https://devel.geniustrader.org:8082/svn/trunk/GT
> svn co --revision 598 https://devel.geniustrader.org:8082/svn/trunk/Scripts
>
> And then run:
>
> display_indicator.pl I:EMA EURUSD 20
>
> it works fine. But I can't get it to work with newer revisions.
>
> From revision 599 onwards, the above display_indicator call returns no
> data. This does not happen with all indicators, apparently only with
> EMA and others which depend on EMA like MACD.
>
> Revision 599 has the following log entry:
> ------------------------------------------------------------------------
> r599 | thomas | 2008-04-14 01:02:32 +0100 (Mon, 14 Apr 2008) | 1 line
>
> Change all scripts to use consistent options for periods.
> ------------------------------------------------------------------------
>
>
> Thomas, if you have an idea of what might cause this, that would save
> me debugging time.
>
>
> We need unit tests to catch these things as soon as possible, and I'll
> start creating them when i get a chance.  Actually some of it was
> started a long time ago i think, but haven't had a look at it before.