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Hi,
Using either Internet Explorer or Firefox is fine. Using Google Chrome can sometimes have issues, though it has improved. The two steps required are:
1. In AmiBroker, go to "Tools | Preferences... | Editor" and make sure that "Copy as HTML" is checked. Then select the code in your AmiBroker editor that you want to paste and do "Edit | Copy".
2. Post using the "Rich Text Editor" from the Yahoo! Groups website. Specifically, click on the Reply button of a post, then when presented with a text editor, click on the link near the top that says "New! Compose your message with Rich Text Editor". Then just paste into the rich text editor (e.g. CTRL+V on Windows).
Mike
--- In amibroker@xxxxxxxxxxxxxxx, reinsley <reinsley@xxx> wrote:
>
>
> Hi Mike,
>
> I have never been successful in posting indented AB code.
>
> Which browser do you use and which params ?
>
> TIA
>
> Best regards
>
>
> Le 17/12/2009 09:36, Mike a écrit :
> >
> >
> > Wow, formatting of that was terrible. Reposting from a different browser...
> >
> > years = Param("Years", 3, 1, 15, 1);
> > newYear = Year() != Ref(Year(), -1);
> > avgROC = 0;
> >
> > // Create dynamic variables for each year (excluding current)
> > *for* (y = 1; y <= years; y++) {
> > initialValue = IIf(newYear, ValueWhen(newYear, *Close*, y),
> > ValueWhen(newYear, *Close*, y + 1));
> > barValue = Ref(*Close*, -252 * y);
> > runningROC = (barValue / initialValue) - 1;
> > VarSet("Year" + y, runningROC);
> > avgROC += runningROC;
> > }
> >
> > avgROC /= years;
> >
> > // Plot zero line
> > Plot(0, "", *colorLightGrey*, *styleLine* | *StyleThick* | *StyleNoLabel*);
> >
> > // Plot vertical lines for new year markers
> > Plot(newYear, "", *colorLightGrey*, *styleHistogram* | *styleThick* |
> > *styleOwnScale* | *styleNoLabel*);
> >
> > // Plot current year with thick emphasis
> > initialValue = Iif(newYear, ValueWhen(newYear, *Close*, 0),
> > ValueWhen(newYear, *Close*, 1));
> > barValue = *Close*;
> > runningROC = (barValue / initialValue) - 1;
> > Plot(runningROC, "ROC", *colorDarkRed*, *styleThick*);
> >
> > // Plot previous years with incrementing colors
> > *for* (y = 1; y <= years; y++) {
> > Plot(VarGet("Year" + y), "" + y + " Years Ago", *colorDarkRed* + y);
> > }
> >
> > // Plot average as solid area
> > Plot(avgROC, "Avg.", *colorDarkRed* + y, *styleArea*);
> >
> > Mike
> >
> >
> > --- In amibroker@xxxxxxxxxxxxxxx, "Mike" <sfclimbers@> wrote:
> > >
> > > Richard, I suspect that ROC(C, 1) would not reveal much. It might be
> > > more interesting to plot a running ROC since the start of the respective
> > > years. I've altered the code to show running year to date rate of
> > > return, including vertical bars delineating the first bar of each new
> > > year. You will notice that at each year goal post, all values start over
> > > at zero (plus or minus a bar or two due to 252 being an imprecise
> > > measure of a year).
> > > Hope that helps.
> > > years = Param("Years", 3, 1, 15, 1); newYear = Year() != Ref(Year(),
> > > -1); avgROC = 0;
> > > // Create dynamic variables for each year (excluding current) for (y =
> > > 1; y <= years; y++) { initialValue = IIf(newYear, ValueWhen(newYear,
> > > Close, y), ValueWhen(newYear, Close, y + 1)); barValue = Ref(Close,
> > > -252 * y); runningROC = (barValue / initialValue) - 1;
> > > VarSet("Year" + y, runningROC);
> > > avgROC += runningROC; }
> > > avgROC /= years;
> > > // Plot zero line Plot(0, "", colorLightGrey, styleLine | StyleThick |
> > > StyleNoLabel);
> > > // Plot vertical lines for new year markers Plot(newYear, "",
> > > colorLightGrey, styleHistogram | styleThick | styleOwnScale |
> > > styleNoLabel);
> > > // Plot current year with thick emphasis initialValue = Iif(newYear,
> > > ValueWhen(newYear, Close, 0), ValueWhen(newYear, Close, 1)); barValue =
> > > Close; runningROC = (barValue / initialValue) - 1; Plot(runningROC,
> > > "ROC", colorDarkRed, styleThick);
> > > // Plot previous years with incrementing colors for (y = 1; y <= years;
> > > y++) { Plot(VarGet("Year" + y), "" + y + " Years Ago", colorDarkRed
> > > + y); }
> > > // Plot average as solid area Plot(avgROC, "Avg.", colorDarkRed + y,
> > > styleArea);
> > > Mike --- In amibroker@xxxxxxxxxxxxxxx, "Richard" richpach2@ wrote:
> > > >
> > > > Hello Mike,
> > > >
> > > > This is very clever piece of code. Thank you for sharing it with us.
> > > > I would have used "for" loop to create a new "close" array for each
> > > year with 1-252 index. I didn't know you can use build-in "Close" array
> > > in that way. Now that we can see the result for each year, it looks to
> > > me like we need to "normalize" the results so they can be compared on
> > > relative basis. Calculating an average from absolute values does not
> > > look right. Do you think that using ROC(C,1) would be an effective way
> > > to compare all individual year's results?
> > > >
> > > > Regards
> > > > Richard
> > > >
> > > > --- In amibroker@xxxxxxxxxxxxxxx, "Mike" sfclimbers@ wrote:
> > > > >
> > > > >
> > > > > If "quick and dirty" is good enough for you, you can just assume 252
> > > > > trading days per trading year and then use Ref() with multiples of
> > > that
> > > > > number.
> > > > >
> > > > > e.g.
> > > > > years = Param("Years", 3, 1, 15, 1);
> > > > > avgClose = 0;
> > > > >
> > > > > // Create dynamic variables for each year (excluding current)
> > > > > for (y = 1; y <= years; y++) {
> > > > > pastClose = Ref(Close, -252 * y);
> > > > > VarSet("Year" + y, pastClose);
> > > > > avgClose += pastClose;
> > > > > }
> > > > >
> > > > > avgClose /= years;
> > > > >
> > > > > // Plot current year with thick emphasis
> > > > > Plot(Close, "Close", colorDarkRed, styleThick);
> > > > >
> > > > > // Plot previous years with incrementing colors
> > > > > for (y = 1; y <= years; y++) {
> > > > > Plot(VarGet("Year" + y), "" + y + " Years Ago", colorDarkRed +
> > > y);
> > > > > }
> > > > >
> > > > > // Plot average as solid area
> > > > > Plot(avgClose, "Avg.", colorDarkRed + y, styleArea);
> > > > >
> > > > > Note that the example assumes that the number of backyears (i.e.
> > > years
> > > > > variable) plus the base color (e.g. colorDarkRed) will not exceed
> > > the
> > > > > maximum color index found here:
> > > > > http://www.amibroker.com/guide/a_language.html
> > > > > <http://www.amibroker.com/guide/a_language.html>
> > > > >
> > > > > Mike
> > > > >
> > > > >
> > > > > --- In amibroker@xxxxxxxxxxxxxxx, "Rick_Miller_98" <rick300m@>
> > > wrote:
> > > > > >
> > > > > > I removed the nested loops line and defined MonthPer=1 and managed
> > > to
> > > > > get a plot.
> > > > > >
> > > > > > However this is looking at a month to month ROC with only 12
> > > > > datapoints. A seasonality chart needs to be daily, weekly at most.
> > > > > >
> > > > > > Ideally the chart would have each year's performnce plotted in the
> > > > > background and the composite chart of all years plotted in the
> > > > > foreground on a daily basis.
> > > > > >
> > > > > > This seams like quite complicated coding. I would be willing to
> > > > > contribute towards a properly functioning chart Afl if anyone has it
> > > or
> > > > > is willing to code it.
> > > > > >
> > > > > >
> > > > > >
> > > > > > --- In amibroker@xxxxxxxxxxxxxxx, "Richard" richpach2@ wrote:
> > > > > > >
> > > > > > > Thank you for posting this code.
> > > > > > > Whitout <Nested_Includes.AFL> some values are not defined.
> > > > > > > can you please advise what is the default value for MonthPer and
> > > > > what is the ListMonths represent?
> > > > > > >
> > > > > > > Regards
> > > > > > > Richard
> > > > > > >
> > > > > > > --- In amibroker@xxxxxxxxxxxxxxx, "vlanschot" <vlanschot@>
> > > wrote:
> > > > > > > >
> > > > > > > > Below is some old code of mine. May get you going though.
> > > > > > > >
> > > > > > > > PS
> > > > > > > >
> > > > > > > > #include_once <Nested_Includes.AFL>
> > > > > > > >
> > > > > > > > Maand = Month();
> > > > > > > >
> > > > > > > > JanRet = ValueWhen(Maand == 1 AND
> > > > > Ref(Maand,1)==2,ROC(C,MonthPer));
> > > > > > > > FebRet = ValueWhen(Maand == 2 AND
> > > > > Ref(Maand,1)==3,ROC(C,MonthPer));
> > > > > > > > MarRet = ValueWhen(Maand == 3 AND
> > > > > Ref(Maand,1)==4,ROC(C,MonthPer));
> > > > > > > > AprRet = ValueWhen(Maand == 4 AND
> > > > > Ref(Maand,1)==5,ROC(C,MonthPer));
> > > > > > > > MayRet = ValueWhen(Maand == 5 AND
> > > > > Ref(Maand,1)==6,ROC(C,MonthPer));
> > > > > > > > JunRet = ValueWhen(Maand == 6 AND
> > > > > Ref(Maand,1)==7,ROC(C,MonthPer));
> > > > > > > > JulRet = ValueWhen(Maand == 7 AND
> > > > > Ref(Maand,1)==8,ROC(C,MonthPer));
> > > > > > > > AugRet = ValueWhen(Maand == 8 AND
> > > > > Ref(Maand,1)==9,ROC(C,MonthPer));
> > > > > > > > SepRet = ValueWhen(Maand == 9 AND
> > > > > Ref(Maand,1)==10,ROC(C,MonthPer));
> > > > > > > > OctRet = ValueWhen(Maand == 10 AND
> > > > > Ref(Maand,1)==11,ROC(C,MonthPer));
> > > > > > > > NovRet = ValueWhen(Maand == 11 AND
> > > > > Ref(Maand,1)==12,ROC(C,MonthPer));
> > > > > > > > DecRet = ValueWhen(Maand == 12 AND
> > > > > Ref(Maand,1)==1,ROC(C,MonthPer));
> > > > > > > >
> > > > > > > >
> > > > > > > > SeasRet =
> > > > > > > > IIf(Maand == 1, LastValue(Cum(JanRet)),
> > > > > > > > IIf(Maand == 2, LastValue(Cum(FebRet)),
> > > > > > > > IIf(Maand == 3, LastValue(Cum(MarRet)),
> > > > > > > > IIf(Maand == 4, LastValue(Cum(AprRet)),
> > > > > > > > IIf(Maand == 5, LastValue(Cum(MayRet)),
> > > > > > > > IIf(Maand == 6, LastValue(Cum(JunRet)),
> > > > > > > > IIf(Maand == 7, LastValue(Cum(JulRet)),
> > > > > > > > IIf(Maand == 8, LastValue(Cum(AugRet)),
> > > > > > > > IIf(Maand == 9, LastValue(Cum(SepRet)),
> > > > > > > > IIf(Maand == 10,LastValue(Cum(OctRet)),
> > > > > > > > IIf(Maand == 11,LastValue(Cum(NovRet)),
> > > > > > > > IIf(Maand == 12,LastValue(Cum(DecRet)),0))))))))))));
> > > > > > > >
> > > > > > > > SeasRet = SeasRet/(BarCount-1);
> > > > > > > >
> > > > > > > > KleurHist = IIf(SeasRet<0,
> > > > > colorRed,IIf(SeasRet>0,colorGreen,colorLightGrey));
> > > > > > > >
> > > > > > > > Plot(SeasRet,FullName()+" Seasonal Return for
> > > > > "+StrExtract(ListMonths,SelectedValue(Month()-1)),KleurHist,2+4);
> > > > > > > > //Plot(OctRet,"ret",1,1);
> > > > > > > > Title = "{{DATE}} -- {{INTERVAL}}\n{{VALUES}} ";
> > > > > > > >
> > > > > > > > --- In amibroker@xxxxxxxxxxxxxxx, Rick Osborn <ricko@> wrote:
> > > > > > > > >
> > > > > > > > > I would be interested in that too
> > > > > > > > >
> > > > > > > > > Best Regards
> > > > > > > > > Rick Osborn
> > > > > > > > >
> > > > > > > > >
> > > > > > > > >
> > > > > > > > >
> > > > > > > > > ________________________________
> > > > > > > > > From: Rick_Miller_98 <rick300m@>
> > > > > > > > > To: amibroker@xxxxxxxxxxxxxxx
> > > > > > > > > Sent: Mon, December 14, 2009 9:53:23 PM
> > > > > > > > > Subject: [amibroker] Seasonality Plot
> > > > > > > > >
> > > > > > > > >
> > > > > > > > > I am looking for some code to overlay multiple years on the
> > > same
> > > > > Jan-Dec axis and to create a composite plot of all of those years to
> > > > > identify seasonality trends.
> > > > > > > > >
> > > > > > > > > Please E-Mail me if you have it. I am willing to contribute
> > > to
> > > > > the cause.
> > > > > > > > >
> > > > > > > > > Thanks!
> > > > > > > > >
> > > > > > > >
> > > > > > >
> > > > > >
> > > > >
> > > >
> > >
> >
> >
>
>
> --
> Best regards
>
------------------------------------
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