[amibroker] Re: Occasionally Parameters reset to defaults

["Ron" <rondwaa@xxxxxxxxx>]

I've noticed the same thing. I imagine it is by design but it is not unintuitive to me. 

I have an afl that has several Params which are traced right after they are set.

When I close amibroker with the afl selected in the analysis window and then reopen amibroker the default values are printed in the log. 

When I click the parameter button the window shows the last manual values I entered into the window (must be saved somewhere) AND the log displays the manual values.

I then close the parameter window and run backtest and the default values are displayed in the log. I expected the manual numbers to be used. 

The other thing I notice is if I'm displaying the afl in the chart window and change the parameters in the parameter window they will change back to the default if I click on the chart (as indicated in the log window). In fact each time I click on the chart the default parameters are displayed in the log window. 

Either I'm missing something or this is odd behavior. Until I understand it I'm not going to use the parameter function.

Regards,

Ron

--- In amibroker@xxxxxxxxxxxxxxx, Tomasz Janeczko <groups@xxx> wrote:
>
> That maight be the case. Windows (especially Vista and 7) seem to delay 
> write much more than XP
> and the application may be closed completely, yet Windows filesystem 
> cache has not been flushed
> completely so it causes problems.  Give it one more second for file 
> system to finish writing files.
> 
> On 2010-01-23 00:28, ta wrote:
> >
> >
> > Tomasz
> >
> > I hardly ever open more than one instance of AB. My guess is that if I 
> > close AB then immediately open it causes resetting params to default. 
> > I think the reason maybe that if AB doesn't finish writing the param 
> > file to disk and one starts AB again, it is as if two instances are 
> > running.
> >
> > *From:* amibroker@xxxxxxxxxxxxxxx [mailto:amibroker@xxxxxxxxxxxxxxx] 
> > *On Behalf Of *Tomasz Janeczko
> > *Sent:* Thursday, January 21, 2010 12:39 PM
> > *To:* amibroker@xxxxxxxxxxxxxxx
> > *Subject:* Re: [amibroker] Re: Occasionally Parameters reset to defaults
> >
> > Hello,
> >
> > This can happen if you have two or more instances attempting to write 
> > to same file at the same time.
> >
> > Best regards,
> > Tomasz Janeczko
> > amibroker.com
> >
> > On 2010-01-21 21:10, ta wrote:
> >
> >     Thanks for your reply. Do you still have tech supports reply? If
> >     so would  you please post it here? TIA
> >
> >     *From:* amibroker@xxxxxxxxxxxxxxx
> >     <mailto:amibroker@xxxxxxxxxxxxxxx>
> >     [mailto:amibroker@xxxxxxxxxxxxxxx] *On Behalf Of *vlanschot
> >     *Sent:* Thursday, January 21, 2010 12:12 AM
> >     *To:* amibroker@xxxxxxxxxxxxxxx <mailto:amibroker@xxxxxxxxxxxxxxx>
> >     *Subject:* [amibroker] Re: Occasionally Parameters reset to defaults
> >
> >     Yes, this has recently also become a problem for me. Support
> >     informed me that there could be various causes (i.e. corrupt
> >     [broker] file, inability to write/update to file). One of the
> >     suggested solutions: to install AB on a different (than C) drive.
> >     Because I can't do this in my particular set-up the problem has
> >     not been solved.
> >
> >     PS
> >
> >     --- In amibroker@xxxxxxxxxxxxxxx
> >     <mailto:amibroker%40yahoogroups.com>, "ta" <tagroups@>
> >     <mailto:tagroups@> wrote:
> >     >
> >     > I have several charts with a number of parameters. Occasionally
> >     these
> >     > parameters reset to default values. Does anybody know why this
> >     happens? I am
> >     > using AB 5.29.6. TIA
> >     >
> >
> >
> >
> >
>




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