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Re: [amibroker] The "TimeFrameGetPrice" function is FALSE !!!!!



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weeks are in basic 5 day cycle, months are based on dates


try plotting this to compare the values

Plot(C,"daily",colorWhite,styleLine);
Plot(TimeFrameGetPrice( "C", inWeekly, 0 ), "weekly", colorGreen, styleLine );
Plot(TimeFrameGetPrice( "C", inMonthly, 0 ), "monthly", colorRed, styleLine );



On 6/19/05, Khamsina11 <Khamsina11@xxxxxxxx> wrote:
> 
> I am sorry but what do you mean ?
> 
> 
> 
> Graham a écrit : 
> but weeks and months do not tie together 

On 6/19/05, Khamsina11
> <Khamsina11@xxxxxxxx> wrote:
 
> Hi Graham,

Ok, I'am going to check.

But try that :

Display a weekly
> chart, pick randomly a candlestick and open the commentary
: the results do
> not match up. 
You can select other candlesticks in your weekly chart, the
> figures are
never the same.

It is to be feared that there is a big bug
> somewhere.


Regards,
Khamsina 





Graham a écrit : 
I have used and
> checked the function against daily charts and it is
correct
 
> Try checking against the monthly chart and the getprice is
 
> correct
 
> On 6/19/05, Khamsina11 <Khamsina11@xxxxxxxx> wrote:
 
 
> Graham,
 
> I both used "ExpandFirst" and "ExpandLast" but the results do not
 
> match up.
 
> You can do it, it's very easy to check

I hope I am wrong
 
> otherwise there is no use using multiple time frame
 
> analysis with Amibroker.
 
> 
Regards,
Khamsina




Graham a écrit : 
It could be that you are using
 
> expandfirst which will change the close
 
>  
 
> price
 
>  
 
> each bar as it progresses through the month. From help
 
>  
 
> "Caveat: expandFirst
 
>  
 
> used on price different than open may look into
 
>  
 
> the future. For example if
 
>  
 
> you create weekly HIGH series, expanding it
 
>  
 
> to daily interval using
 
>  
 
> expandFirst will enable you to know on MONDAY
 
>  
 
> what was the high for entire
 
>  
 
> week. "
 
>  
 
> 

On 6/19/05, Khamsina11 <Khamsina11@xxxxxxxx> wrote:
 
 
 
> Hi,
 
>  
 
> I wrote this code in a commentary :
 
> va1 = TimeFrameGetPrice( "C",
 
 
> inMonthly, -7, expandFirst );
 
>  
 
> " Month - 7 = " + WriteVal( va1, 0.2);
 
> In
 
 
> order to check if everything was ok, I tiled vertically 2 windows (a
 
>  
 
> weekly
 
>  
 
> graph and a monthly graph).
 
>  
 
> In the weekly window, I randomly displaced the
 
>  
 
> vertical selection line
 
>  
 
> while checking if the close returned in the
 
>  
 
> commentary and the close of
 
>  
 
> the appropriate month ( in the monthy graph)
 
>  
 
> were the same : and what a
 
>  
 
> surprize, they are different !!!!!!
 
> Is TJ aware
 
 
> of this big issue
 
> ?
 
 
> Khamsina











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-- 
Cheers
Graham
http://e-wire.net.au/~eb_kavan/


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