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Upon further invistigation,
There are 7 sig digits on one side of the decimal with 1 digit on the
opposing side.
So it looks like using a transform of the year to 1 digit menthod is the go.
<MSG>
At 09:49 AM 22/02/2004, you wrote:
>I have just thought of a realy simple & nice solution. (Yet to be tested)
>
>Convert the RANK to a decimal,
>Then tag (Add) the Rank to the DateNum() value.
>
><MSG>
>
>
>
>At 09:10 AM 22/02/2004, you wrote:
> >Thanks Herman,
> > I didn't noticed the DayOfYear() function, Odd how you can miss things
> >like this.
> >
> >Basicaly, This is what Im thinking.
> >
> >Transform the Year into a 1 digit number. aka your previous sugestion.
> >(This should enable a range of 10 years, ie 0-9)
> >The Day of Year - Effectively converts Month/Day (x4 Digits) into 3 Digits.
> >That leaves 3 digits spare (And possibly decimals) to use as ranking digits.
> >
> >Speaking of decimals, I wonder how many significat Decimals could be
> held????
> >ie Convert the entire number to a fraction and store it that way !!!
> >
> ><MSG>
> >
> >
> >
> >At 11:20 PM 21/02/2004, you wrote:
> > >Have a look at the DayOfYear(), it might come in handy to create a
> > >DayOfDecade() or DayOfCentury() function which you could could use
> > >instaeda of an arbitrary index.
> > >
> > >Next you could write a function DaysSince() (TJ?) That would solve all
> > >problems.
> > >
> > >have fun,
> > >herman
> > >-----Original Message-----
> > >From: Michael.S.G. [mailto:OzFalcon@xxxxxxxx]
> > >Sent: Friday, February 20, 2004 11:05 PM
> > >To: amibroker@xxxxxxxxxxxxxxx
> > >Subject: RE: [amibroker] Can anyone help me Sort this out....
> > >
> > >Herman,
> > > Yes - This is one way (Mabie the only) way of working around the
> > problem.
> > >Though a little messy - Im sure I could live with it.
> > >We'll see if anything else comes up.
> > >
> > > Thanks,
> > > Michael.
> > >
> > >
> > >
> > >At 01:49 PM 21/02/2004, you wrote:
> > > >You could convert DateNum() to a DateIndex which will be a much smaller
> > > >number. You would have to pick a first date for zero, your reference, or
> > > >count backwards from today... depend on your application.
> > > >
> > > >The DateIndex would simply be the number of bars before a given
> point. For
> > > >10 years you should have a maximum count of about 10*250=2500 which is
> > > >much smaller than you datenum.
> > > >
> > > >Interesting problem,
> > > >good luck,
> > > >herman.
> > > >-----Original Message-----
> > > >From: Michael.S.G. [mailto:OzFalcon@xxxxxxxx]
> > > >Sent: Friday, February 20, 2004 8:45 PM
> > > >To: amibroker@xxxxxxxxxxxxxxx
> > > >Subject: [amibroker] Can anyone help me Sort this out....
> > > >
> > > >Has anyone yet got around the DateNum() / 32 bit float limitation yet?
> > > >
> > > >This is a real Turd of a problem - And I'd like to know if there are any
> > > >workarounds/solutions?
> > > >
> > > >For me - I wish to Transform DateNum() to a Ranking system I can sort
> > > >under AA.
> > > >
> > > >But two limitations are stoping me.
> > > >1) The use of Strings in AB appears to be as single variables. (Not
> > Arrays).
> > > >2) Transforming the value from DateNum creates a number greater than 7
> > > >significant digits. Inducing the 32bit Float limitation.
> > > >
> > > >For those unaware of the above constrictions, Here is a sample AFL
> to show
> > > >you.
> > > >
> > > >// Combined Sort for AA.
> > > >//
> > > >// Filter = "Curent Stock"
> > > >//
> > > >// Range = "All Quotes"
> > > >
> > > >// Create a Date/Rank to Sort with.
> > > >//
> > > >// Doesn't work (Strings can not be arrays?)
> > > >SortStr = "" + Year() + "/" + Month() + "/" + Day() + ":" + Close;
> > > >//
> > > >// Doesn't work (Larger than 7 digits - 32bit Float)
> > > >SortVar = (DateNum()*100) + Close;
> > > >
> > > >
> > > >AddColumn(Close,"Close",1.2);
> > > >AddTextColumn(SortStr,"SortStr",1.2);
> > > >AddColumn(SortVar,"SortVar",1.2);
> > > >
> > > >//Filter
> > > >Filter = 1;
> > > >
> > > >
> > > >Send BUG REPORTS to bugs@xxxxxxxxxxxxx
> > > >Send SUGGESTIONS to suggest@xxxxxxxxxxxxx
> > > >-----------------------------------------
> > > >Post AmiQuote-related messages ONLY to: amiquote@xxxxxxxxxxxxxxx
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