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Thanks - maybe I shouldn't quit my day job just yet
--- In amibroker@xxxxxxxxxxxxxxx, "Tomasz Janeczko" <groups@xxx> wrote:
>
> These two pages from manual contain answers to your problems:
>
> http://www.amibroker.com/guide/h_understandafl.html
>
> http://www.amibroker.com/guide/a_mistakes.html
>
> Best regards,
> Tomasz Janeczko
> amibroker.com
> ----- Original Message -----
> From: "gmorlosky" <gmorlosky@xxx>
> To: <amibroker@xxxxxxxxxxxxxxx>
> Sent: Friday, May 08, 2009 11:08 PM
> Subject: [amibroker] Re: if (Buy[i] >= 0) not behaving as expected
>
>
> >I spoke a little too soon. It does work well with anything associated with the last bar (i.e. close, open, etc.), BUT what I need
> >is reference to something like RSI(14) > 50, which it isn't working (error 6, error 4, etc.) no matter how I try to code it. Any
> >thoughts ???
> >
> >
> > --- In amibroker@xxxxxxxxxxxxxxx, "tuzo_wilson" <j.tuzo.wilson@> wrote:
> >>
> >> --- In amibroker@xxxxxxxxxxxxxxx, "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 amibroker@xxxxxxxxxxxxxxx, "tuzo_wilson" <j.tuzo.wilson@> wrote:
> >> > >
> >> > >
> >> > > --- In amibroker@xxxxxxxxxxxxxxx, "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 amibroker@xxxxxxxxxxxxxxx, 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 amibroker@xxxxxxxxxxxxxxx, 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 amibroker@xxxxxxxxxxxxxxx, 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 );
> >> > > > > > > > > > }
> >> > > > > > > > > > }
> >> > > > > > > > > > }
> >> > > > > > > > > >
> >> > > > > > > > > >
> >> > > > > > > > > >
> >> > > > > > > > > > ------------------------------------
> >> > > > > > > > > >
> >> > > > > > > > > > **** IMPORTANT PLEASE READ ****
> >> > > > > > > > > > This group is for the discussion between users only.
> >> > > > > > > > > > This is *NOT* technical support channel.
> >> > > > > > > > > >
> >> > > > > > > > > > TO GET TECHNICAL SUPPORT send an e-mail directly to
> >> > > > > > > > > > SUPPORT {at} amibroker.com
> >> > > > > > > > > >
> >> > > > > > > > > > TO SUBMIT SUGGESTIONS please use FEEDBACK CENTER at
> >> > > > > > > > > > http://www.amibroker.com/feedback/
> >> > > > > > > > > > (submissions sent via other channels won't be considered)
> >> > > > > > > > > >
> >> > > > > > > > > > For NEW RELEASE ANNOUNCEMENTS and other news always check
> >> > > DEVLOG:
> >> > > > > > > > > > http://www.amibroker.com/devlog/
> >> > > > > > > > > >
> >> > > > > > > > > > Yahoo! Groups Links
> >> > > > > > > > > >
> >> > > > > > > > > >
> >> > > > > > > > > >
> >> > > > > > > > > >
> >> > > > > > > > >
> >> > > > > > > >
> >> > > > > > > >
> >> > > > > > > >
> >> > > > > > > >
> >> > > > > > > > ------------------------------------
> >> > > > > > > >
> >> > > > > > > > **** IMPORTANT PLEASE READ ****
> >> > > > > > > > This group is for the discussion between users only.
> >> > > > > > > > This is *NOT* technical support channel.
> >> > > > > > > >
> >> > > > > > > > TO GET TECHNICAL SUPPORT send an e-mail directly to
> >> > > > > > > > SUPPORT {at} amibroker.com
> >> > > > > > > >
> >> > > > > > > > TO SUBMIT SUGGESTIONS please use FEEDBACK CENTER at
> >> > > > > > > > http://www.amibroker.com/feedback/
> >> > > > > > > > (submissions sent via other channels won't be considered)
> >> > > > > > > >
> >> > > > > > > > For NEW RELEASE ANNOUNCEMENTS and other news always check
> >> > > DEVLOG:
> >> > > > > > > > http://www.amibroker.com/devlog/
> >> > > > > > > >
> >> > > > > > > > Yahoo! Groups Links
> >> > > > > > > >
> >> > > > > > > >
> >> > > > > > > >
> >> > > > > > > >
> >> > > > > > >
> >> > > > > >
> >> > > > > >
> >> > > > > >
> >> > > > > >
> >> > > > > > ------------------------------------
> >> > > > > >
> >> > > > > > **** IMPORTANT PLEASE READ ****
> >> > > > > > This group is for the discussion between users only.
> >> > > > > > This is *NOT* technical support channel.
> >> > > > > >
> >> > > > > > TO GET TECHNICAL SUPPORT send an e-mail directly to
> >> > > > > > SUPPORT {at} amibroker.com
> >> > > > > >
> >> > > > > > TO SUBMIT SUGGESTIONS please use FEEDBACK CENTER at
> >> > > > > > http://www.amibroker.com/feedback/
> >> > > > > > (submissions sent via other channels won't be considered)
> >> > > > > >
> >> > > > > > For NEW RELEASE ANNOUNCEMENTS and other news always check DEVLOG:
> >> > > > > > http://www.amibroker.com/devlog/
> >> > > > > >
> >> > > > > > Yahoo! Groups Links
> >> > > > > >
> >> > > > > >
> >> > > > > >
> >> > > > > >
> >> > > > >
> >> > > >
> >> > >
> >> >
> >>
> >
> >
> >
> >
> > ------------------------------------
> >
> > **** IMPORTANT PLEASE READ ****
> > This group is for the discussion between users only.
> > This is *NOT* technical support channel.
> >
> > TO GET TECHNICAL SUPPORT send an e-mail directly to
> > SUPPORT {at} amibroker.com
> >
> > TO SUBMIT SUGGESTIONS please use FEEDBACK CENTER at
> > http://www.amibroker.com/feedback/
> > (submissions sent via other channels won't be considered)
> >
> > For NEW RELEASE ANNOUNCEMENTS and other news always check DEVLOG:
> > http://www.amibroker.com/devlog/
> >
> > Yahoo! Groups Links
> >
> >
> >
>
------------------------------------
**** IMPORTANT PLEASE READ ****
This group is for the discussion between users only.
This is *NOT* technical support channel.
TO GET TECHNICAL SUPPORT send an e-mail directly to
SUPPORT {at} amibroker.com
TO SUBMIT SUGGESTIONS please use FEEDBACK CENTER at
http://www.amibroker.com/feedback/
(submissions sent via other channels won't be considered)
For NEW RELEASE ANNOUNCEMENTS and other news always check DEVLOG:
http://www.amibroker.com/devlog/
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