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Hi Dimitris,
Thanks for your reply.
I had actually tried IsEmpty() and IsNull() but I found that when I plot for
example:
x=Foreign("A-D","V",0);
Plot(x,"Adv-Dec Volume",colorBlack,1);
...and say for the last week I missed data in A-D and my chart has the
last week of data then the above plot has every SECOND day plotted as
the last value of the advance decline volume.
If I use IsEmpty() and plot this as a symbol on the main chart, every
second day will miss the symbol.
I read in the manual:
-----------------------------------------------------
foreign( TICKER, DATAFIELD, fixup = 1)
The last parameter - fixup - with the default value of 1 - causes filling
the holes in the data with previous values (behaviour introduced in
3.90.3), if fixup is 0 - the holes are not fixed (the old, pre-3.90.3
behaviour)
-----------------------------------------------------
I didn't want the holes filled so I have placed a zero as the "fixup" but as
I mentioned above this doesn't seem to work.
Any ideas? Thanks
Cheers ,Glenn
--- In amibroker@xxxxxxxxxxxxxxx, "DIMITRIS TSOKAKIS"
<TSOKAKIS@xxxx> wrote:
> The non-updated bars should be without data, ie empty.
> There is an AFL function for this purpose IsEmpty(), which will give
> an output 1, whenever the array [your A/D ticker] is empty.
> Then with Plotshapes you may put a visual sign on your chart.
> Dimitris Tsokakis
> --- In amibroker@xxxxxxxxxxxxxxx, "Glenn" <glennokb@xxxx> wrote:
> > Hi,
> >
> > I have advance-decline data that I use (I download it from a 3rd
> party)
> > and on my price chart I would like to see if I have the latest A-D
> data
> > downloaded.
> >
> > For example if I forget to update the A-D in the last 3 days but
> have the
> > latest stock prices on my price chart, I would like a star symbol
> (or
> > whatever) displayed on the chart on each of the last 3 days.
> >
> > I have tried loads of stuff using the foreign function to see if
> the A-D
> > data's last date matches the stock I'm looking at but can't get it.
> Thanks.
> >
> > Cheers Glenn
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