Finally - it works - Thanks so much
--- In [email protected], "tuzo_wilson" <j.tuzo.wil...@...> wrote:
>
> --- In [email protected], "gmorlosky" <gmorlosky@> wrote:
> >
> > Thanks Tuzo (and Mike), but I can't get it to work yet. I used fc >= 500;
> > as my logic to represent the ShouldPlot. I get all plots, even though each
> > stock is under $500. I tried various combination of price to get a partial
> > group of plots, but it's always all of them.
> >
> > Any other ideas on how to make each "foreign" the "active" for each
> > plotting ???
>
> ShouldPlot is hardcoded to return true right now. Change it to only return
> true when your condition is true.
>
> In this case it will only display the symbol if the closing price of the
> first bar visible is greater than 500. Note that you will also have to also
> change the call to ShouldPlot to pass in the first visible bar i.e. if
> (ShouldPlot(fc,fvb))
>
> function ShouldPlot(price, fvb)
> {
> return (fc[fvb] >= 30);
> }
>
>
> Tuzo
>
> > _SECTION_BEGIN("RelativePerformance");
> > fc = "";
> > function ShouldPlot(price, fvb)
> > {
> > return (fc[fvb] >= 30);
> > }
> > function GetWatchListSymbols(watchListName)
> > {
> > wlNumber = CategoryFind(watchListName, categoryWatchlist );
> > return CategoryGetSymbols(categoryWatchlist, wlNumber );
> > }
> > SetChartOptions(0,chartShowArrows|chartShowDates);
> > WatchListName = ParamStr("Watch List Name","RelStrength"); // replace with
> > a valid watchlist
> > SymbolList = GetWatchListSymbols(WatchListName);
> > fvb = Status("firstvisiblebar");
> > ColorCode = colorBrown;
> > for( i = 0; ( sym = StrExtract( SymbolList, i ) ) != ""; i++ )
> > {
> > fc = Foreign(sym, "Close");
> > if (ShouldPlot(fc,fvb))
> > {
> > ColorCode++;
> > // wrap color codes if too many
> > if (ColorCode == colorTan)
> > {
> > ColorCode = colorBrown;
> > }
> > Plot( 100 * ( fc - fc[ fvb ] )/ fc[ fvb ], sym, ColorCode,
> > styleLine);
> > }
> > }
> > _N( Title = "{{NAME}} {{DATE}} - Relative Performance [%]: {{VALUES}}" );
> > _SECTION_END();
> >
> >
> >
> > --- In [email protected], "tuzo_wilson" <j.tuzo.wilson@> wrote:
> > >
> > >
> > > --- In [email protected], "gmorlosky" <gmorlosky@> wrote:
> > > >
> > > > Okay - I have gone over the array info and I think I'm doing this
> > > right, But here it is step by step;
> > >
> > > That's a bit more organized. :)
> > >
> > > The only question I have is around step 4. How do you know if a ticker
> > > is a "Buy". Is it if it meets some conditions for the visible bars or
> > > is it for all time or some other date/time range or something else? If
> > > it is on visible bars, the behavior might be a bit odd because as you
> > > scroll symbols could be appearing and disappearing.
> > >
> > > Here's something that will take a watch list as a parameter and plot the
> > > relative performance of all symbols in the watch list if it meets a
> > > criteria. Just modify ShouldPlot to return true or false depending on
> > > your specific logic.
> > >
> > >
> > >
> > > _SECTION_BEGIN("RelativePerformance");
> > >
> > >
> > >
> > > function ShouldPlot(price)
> > >
> > > {
> > >
> > > //TODO: Implement logic
> > >
> > > return True;
> > >
> > > }
> > >
> > >
> > >
> > > function GetWatchListSymbols(watchListName)
> > >
> > > {
> > >
> > > wlNumber = CategoryFind(watchListName, categoryWatchlist );
> > >
> > > return CategoryGetSymbols(categoryWatchlist, wlNumber );
> > >
> > > }
> > >
> > >
> > >
> > > SetChartOptions(0,chartShowArrows|chartShowDates);
> > >
> > >
> > >
> > > WatchListName = ParamStr("Watch List Name","RelStrength");
> > >
> > >
> > >
> > > SymbolList = GetWatchListSymbols(WatchListName);
> > >
> > >
> > >
> > > fvb = Status("firstvisiblebar");
> > >
> > >
> > >
> > > ColorCode = colorBrown;
> > >
> > >
> > >
> > > for( i = 0; ( sym = StrExtract( SymbolList, i ) ) != ""; i++ )
> > >
> > > {
> > >
> > > fc = Foreign(sym, "Close");
> > >
> > >
> > >
> > > if (ShouldPlot(fc))
> > >
> > > {
> > >
> > > ColorCode++;
> > >
> > >
> > >
> > > // wrap color codes if too many
> > >
> > > if (ColorCode == colorTan)
> > >
> > > {
> > >
> > > ColorCode = colorBrown;
> > >
> > > }
> > >
> > >
> > >
> > > Plot( 100 * ( fc - fc[ fvb ] )/ fc[ fvb ], sym, ColorCode,
> > > styleLine);
> > >
> > > }
> > >
> > > }
> > >
> > >
> > >
> > > _N( Title = "{{NAME}} {{DATE}} - Relative Performance [%]: {{VALUES}}"
> > > );
> > >
> > >
> > >
> > > _SECTION_END();
> > >
> > >
> > > Tuzo
> > >
> > > > 1. Deteremine BUY based on criteria and assign value of 1 else 0.
> > > (works fine)
> > > > 2. Determeine SELL based on criteria and assign value of -1 else
> > > 0.(works fine - these values are now stored in the array)
> > > > 3. From a given list (example: IndustryID() == 4) (the StrExtract
> > > works fine).
> > > > 4. PLOT only those tickers that meet BUY. (I get all or none)
> > > > 5. Plot each ticker in a different color, in the same pane, hence the
> > > inner loop. (the colors plot fine)
> > > >
> > > > Basically it is the Relative Performance indicator, with a BUY
> > > criteria and StrExtract from any given list (sector, Industry, watch,
> > > etc.), because of the multiple plots, Foreign is used.
> > > >
> > > >
> > > >
> > > > --- In [email protected], dingo waledingo@ wrote:
> > > > >
> > > > > write it out step by step in English. I'm not uderstanding what you
> > > want to
> > > > > do.
> > > > >
> > > > > d
> > > > >
> > > > > On Thu, May 7, 2009 at 4:37 PM, gmorlosky gmorlosky@ wrote:
> > > > >
> > > > > > Thanks - clearly I got something backwards - while I study arrays,
> > > do you
> > > > > > have an example of code similar to this that works, to help me
> > > understand ?
> > > > > > I just want to loop through certain tickers that pass some formula
> > > first.
> > > > > > Basically a loop inside a loop.
> > > > > >
> > > > > >
> > > > > > --- In [email protected], dingo <waledingo@> wrote:
> > > > > > >
> > > > > > > You've got a basic misunderstanding of loops and arrays. In AFL
> > > You
> > > > > > > shouldn't have arrary operators like IIF inside a loop.
> > > > > > >
> > > > > > > You need to go back an reread the help file on arrays.
> > > > > > >
> > > > > > > d
> > > > > > >
> > > > > > >
> > > > > > > On Thu, May 7, 2009 at 3:32 PM, gmorlosky <gmorlosky@> wrote:
> > > > > > >
> > > > > > > > Seriously - it works nicely, except for that one line of code.
> > > > > > > >
> > > > > > > > Any other thoughts
> > > > > > > >
> > > > > > > > --- In [email protected], Aron <aron.groups@> wrote:
> > > > > > > > >
> > > > > > > > > everything..
> > > > > > > > >
> > > > > > > > > gmorlosky wrote:
> > > > > > > > > > In the line ~9 "if(Buy[i] >= 0", if I change that to 1,
> > > which is
> > > > > > equal
> > > > > > > > to a Buy, I get no Plots, even though the Explore shows 1s for
> > > half the
> > > > > > > > tickers, else with 0, I get all plots. What is wrong ?
> > > > > > > > > >
> > > > > > > > > > NumBars = 20;
> > > > > > > > > > fvb = Status("firstvisiblebar");
> > > > > > > > > > for( i = 0; ( symbol = StrExtract( TickerList, i ) ) !=
> > > ""; i++ )
> > > > > > > > > > {
> > > > > > > > > > Buy = IIf(ROCt > ROCc AND RSIt > RSIc, 1,0);
> > > > > > > > > > Sell = IIf(ROCt < ROCc AND RSIt < RSIc, -1,0);
> > > > > > > > > >
> > > > > > > > > > fc = Foreign( symbol, "C" );
> > > > > > > > > > if (Buy[i] >= 0) // something not right here ???
> > > > > > > > > > {
> > > > > > > > > > if( ! IsNull( fc[ 0 ] ) )
> > > > > > > > > > {
> > > > > > > > > > Plot( 100 * ( fc - fc[ fvb ] )/ fc[ fvb ], symbol,
> > > > > > colorLightOrange
> > > > > > > > + ( (2*i) % 15 ), styleLine );
> > > > > > > > > > }
> > > > > > > > > > }
> > > > > > > > > > }
> > > > > > > > > >
> > > > > > > > > >
> > > > > > > > > >
> > > > > > > > > > ------------------------------------
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> > > > > >
> > > > > > TO GET TECHNICAL SUPPORT send an e-mail directly to
> > > > > > SUPPORT {at} amibroker.com
> > > > > >
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> > > > > > http://www.amibroker.com/feedback/
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