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Sorry meant to type 01/01/06 for second lines closing price not '04.
DM
--- In amibroker@xxxxxxxxxxxxxxx, "dmcleod1981" <dmcleod1981@xxx> wrote:
>
> The two formulas appear to give different dates. The first does give
> the closing price for 12/30/04 but the second gives the closing price
> for 01/03/04 which would be incorrect for year to date figures.
>
> I am also confused as to the +1 and couldn't see how to correct the
> line to give the closing '05 price.
>
> DM
>
> --- In amibroker@xxxxxxxxxxxxxxx, "MarketMonk777" <dlittner@> wrote:
> >
> > Hi Graham,
> >
> > Thanks, the barssince works. I have added the following lines of
code:
> >
> > BS = BarsSince(Year()!=Ref(Year(),1));
> > AddColumn(BS,"BS 1-1-06" , 3.2, colorDarkRed, colorLightGrey );
> > YTD = C - Ref( C, -BarsSince(Year()!=Ref(Year(),1))+1);
> > AddColumn(YTD,"YTD Net" , 3.2, colorDarkRed, colorLightGrey );
> >
> > Just to confirm that all works.
> >
> > I am confused as to the purpose of the +1 that is added at the end
> of the
> > code in the YTD line.
> >
> > I was able to research and figure out that != means not equal to. And
> > researched how barssince works. And that ref(year(),1) is the way
> to catch
> > the year changing from 2005 to 2006.
> >
> > But that +1 has me confused. What is it's purpose?
> >
> > Dave
> >
> > -----Original Message-----
> > From: amibroker@xxxxxxxxxxxxxxx [mailto:amibroker@xxxxxxxxxxxxxxx]
> On Behalf
> > Of Graham
> > Sent: Saturday, March 25, 2006 3:47 PM
> > To: amibroker@xxxxxxxxxxxxxxx
> > Subject: Re: [amibroker] Calculating % change since 1/3/2006
> >
> > you can use valuewhen function to reference a fixed point or ref with
> > barssince
> > for the close price of end of previous year
> >
> > valuewhen( year()!=ref(year(),1), C )
> >
> > or
> >
> > ref( c, -barssince(year()!=ref(year(),1))+1)
> >
> >
> > --
> > Cheers
> > Graham
> > AB-Write >< Professional AFL Writing Service
> > Yes, I write AFL code to your requirements
> > http://e-wire.net.au/~eb_kavan/ab_write.htm
> >
> >
> > On 3/26/06, marketmonk777 <dlittner@> wrote:
> > > Hi folks,
> > >
> > > I would like to add a value to my title line and in some of my
> > > explorations. The value that I am trying to determine is the %
change
> > > since the last trading day of 2005 (or should I use 1/3/06?).
> > >
> > > How do I specify a fixed date in my calculations?
> > >
> > > Thanks,
> > >
> > > Dave
> > >
> > >
> > >
> > >
> > >
> > >
> > >
> > > Please note that this group is for discussion between users only.
> > >
> > > To get support from AmiBroker please send an e-mail directly to
> > > SUPPORT {at} amibroker.com
> > >
> > > For other support material please check also:
> > > http://www.amibroker.com/support.html
> > >
> > >
> > > Yahoo! Groups Links
> > >
> > >
> > >
> > >
> > >
> > >
> > >
> >
> >
> > Please note that this group is for discussion between users only.
> >
> > To get support from AmiBroker please send an e-mail directly to
> > SUPPORT {at} amibroker.com
> >
> > For other support material please check also:
> > http://www.amibroker.com/support.html
> >
> >
> > Yahoo! Groups Links
> >
>
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