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Hello,
For Texts WriteIf should be used.
Also as I explained many times on this list WriteIf( condition, truetext, falsetext ) function
returns SINGLE string representing the condition at 'selected bar'.
For more information on this read:
http://www.amibroker.com/guide/afl/afl_view.php?name=SELECTEDVALUE
Therefore text columns in explorations always represent the value
at the LAST BAR of selected exploration range.
Best regards,
Tomasz Janeczko
amibroker.com
----- Original Message -----
From: "markf2" <feierstein@xxxxxxxxx>
To: <amibroker@xxxxxxxxxxxxxxx>
Sent: Tuesday, May 13, 2003 3:43 PM
Subject: [amibroker] Re: Exploration Help Please
> Graham, thanks, but tried that and got a "bad arguments" message.
> Apparently iif cannot be used with text.
>
> Mark
>
> --- In amibroker@xxxxxxxxxxxxxxx, "Graham" <gkavanagh@xxxx> wrote:
> > Sorry I did not know whatif did not work in addtextcolumn
> >
> > This may work better
> > level=iif(C > 25,"Hi","Lo");
> >
> > Cheers,
> > Graham
> > http://groups.msn.com/ASXShareTrading
> > http://groups.msn.com/FMSAustralia
> >
> > -----Original Message-----
> > From: markf2 [mailto:feierstein@x...]
> > Sent: Tuesday, 13 May 2003 9:20 PM
> > To: amibroker@xxxxxxxxxxxxxxx
> > Subject: [amibroker] Re: Exploration Help Please
> >
> > Graham- Your logic for what I want to accomplish is good, but which
> > functions to use and how to use them is the problem. For example, to
> > add a column with text you must use AddTextColumn. But WriteIf gives
> > error messages when inside it. So I tried this as simple test code:
> >
> > level=WriteIf(C > 25,"Hi","Lo");
> > Filter=1;
> > AddColumn(C, "C", 1.4 );
> > AddTextColumn(level,"Close Level");
> >
> > Unfortunately this always returns "Hi", even if C<=25. I think the
> > issue is how to insert a string into AddTextColumn that varies based
> > on a condition, but nothing I've tried works. Any more ideas? Thanks
> > for your efforts, BTW.
> >
> > Mark
> >
> >
> > --- In amibroker@xxxxxxxxxxxxxxx, "Graham" <gkavanagh@xxxx> wrote:
> > > Do you mean something like
> > > EnterLong = flip(buy,sell);
> > > ExitLong = flip(sell,buy);
> > > Entershort = flip(short,cover);
> > > ExitShort = flip(cover,short);
> > >
> >
> Addcolumn(writeif(EnterLong,"long",writeif(ExitLong,"out",writeif(EnterShort
> > > ,"short",writeif(ExitShort,"out")))),"trade");
> > >
> > > Don't know if it works, but could be something to start with, if it
> > workds
> > > that is
> > >
> > > Cheers,
> > > Graham
> > > http://groups.msn.com/ASXShareTrading
> > > http://groups.msn.com/FMSAustralia
> > >
> > > -----Original Message-----
> > > From: markf2 [mailto:feierstein@x...]
> > > Sent: Tuesday, 13 May 2003 8:16 PM
> > > To: amibroker@xxxxxxxxxxxxxxx
> > > Subject: [amibroker] Exploration Help Please
> > >
> > > Hello Everyone,Is it possible to to add a column of text to an
> > > exploration that indicates whether a trading system is long, short, or
> > > out of the market? Specifically, I need to add a column that specifies
> > > "Long" or "Short" (depending on which is the case) beginning with the
> > > bar of entry, through and including the bar before the bar of exit,
> > > then "Out" beginning with the exit bar and continuing for all bars the
> > > system's not in the market, etc. I'd like to do this directly with
> > > whatever array(s)track this info, because inferring it through the
> > > relationship between the equity function and prices doesn't always
> > > work (for example, problems with lag if exiting with a delay). Thanks.
> > > Mark
> > >
> > >
> > >
> > > Send BUG REPORTS to bugs@xxxx
> > > Send SUGGESTIONS to suggest@xxxx
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> >
> >
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>
>
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