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Charting the interesting bars makes it a little easier to see
Colors = IIF(InterestingBar, colorRed, colorDarkGrey);
Plot(Close, "Price", Colors, styleBar);
PlotShapes(Trigger * shapeUpArrow, colorGreen);
Mike
--- In amibroker@xxxxxxxxxxxxxxx, "Mike" <sfclimbers@xxx> wrote:
>
> Hi,
>
> Which book/course are you guys referring to?
>
> As for "programming with ease", the best you can do is read lots and lots of coding examples. The rest you're born with. For better or for worse, your brain just works that way or it doesn't.
>
> As for 4 out of 5, no loop necessary. Loops should be treated as a last resort. Instead, try something like the following:
>
> InterestingBar = Low < Ref(Low, -1) AND High < Ref(High, -1);
> Trigger = Sum(InterestingBar, 5) >= 4;
>
> Plot(Close, "Price", colorDarkGrey, styleBar);
> PlotShapes(Trigger * shapeUpArrow, colorGreen);
>
> Mike
>
> --- In amibroker@xxxxxxxxxxxxxxx, "Richard" <richpach2@> wrote:
> >
> > Bill and Mike,
> >
> > Thanks for sharing your coding skills. Coincidently I was looking at the same system.
> > If this is TPS then, it is one down and six to go. I have to say that this one was the hardest to code from the book. I have two questions, if I may.
> > How do one gain the skills necessary to program in AFL with such (perceived) ease?
> > Have you coded MDU system? How did you solve the AFL definition for "4 out of last 5 bars making lower low and lower high"?
> > Do I need a loop for this?
> >
> > Kind Regards
> > Richard
> >
> >
> > --- In amibroker@xxxxxxxxxxxxxxx, "longt3rm" <longt3rm@> wrote:
> > >
> > > Mike,
> > >
> > > Fantastic, it works!
> > >
> > > Thank you for your help!
> > >
> > > Bill
> > >
> > > --- In amibroker@xxxxxxxxxxxxxxx, "Mike" <sfclimbers@> wrote:
> > > >
> > > > Bill,
> > > >
> > > > You would need to calculate the trigger first (i.e. ExRem of position state), then use ValueWhen.
> > > >
> > > > e.g. Something like the following:
> > > >
> > > > thirdTrigger = ExRem(inThirdPos, Sell);
> > > > bull400 = Close < ValueWhen(thirdTrigger, Close) AND inThirdPos AND Ref(inThirdPos, -1);
> > > >
> > > > The key being that Flip will give all 1's for the duration that we are in the position, whereas ExRem will remove redundant 1's leaving only those bars where the condition was first met. Thus, ValueWhen gives the Close of the most recent bar meeting that condition.
> > > >
> > > > Mike
> > > >
> > > > --- In amibroker@xxxxxxxxxxxxxxx, "longt3rm" <longt3rm@> wrote:
> > > > >
> > > > > Mike,
> > > > >
> > > > > Thank you! That helps significantly!!
> > > > >
> > > > > The one item I'm not able to figure out is how to track the last entry price so we can check to see if the current close is lower than our last entry.
> > > > >
> > > > > I believe (I could be mistaken) the sample you kindly provided is checking to see if today's close is less than yesterday's close. I would like to compare today's close to our last entry price.
> > > > >
> > > > > Thanks again for helping so much. I am slow to grasp AFL.
> > > > >
> > > > > Sincerely,
> > > > >
> > > > >
> > > > > Bill
> > > > >
> > > > > --- In amibroker@xxxxxxxxxxxxxxx, "Mike" <sfclimbers@> wrote:
> > > > > >
> > > > > > Hi,
> > > > > >
> > > > > > I posted some code to a related question here:
> > > > > > http://finance.groups.yahoo.com/group/amibroker/message/146956
> > > > > >
> > > > > > Short answers:
> > > > > > 1. Use Flip function to capture current position "state".
> > > > > > 2. Use state captured above AND'ed with next criteria.
> > > > > >
> > > > > > See if that helps.
> > > > > >
> > > > > > Mike
> > > > > >
> > > > > > --- In amibroker@xxxxxxxxxxxxxxx, "longt3rm" <longt3rm@> wrote:
> > > > > > >
> > > > > > > Hello,
> > > > > > >
> > > > > > > Goal Description:
> > > > > > > 1) Initial $500 position opened when RSI(2) < 25
> > > > > > > 2) Add $1000 to position when entry price for #1 is less than current close. (regardless of value for RSI(2))
> > > > > > > 3) Add $1500 to position when entry price for #2 is less than current close. (regardless of value for RSI(2))
> > > > > > > 4) If all three positions are entered, we would have a total position of $3,000
> > > > > > >
> > > > > > >
> > > > > > > Two questions / problems:
> > > > > > > 1) What is the most efficient way to determine if we have a position and if we do, is it the first ($500) or second ($500+$1000=$1500)?
> > > > > > > 2) If the initial buy is "Buy = RSI(2)", how do we tell AmiBroker that RSI(2) is not longer needed, we just need current close > last position entry price.
> > > > > > >
> > > > > > > Thanks for any suggestions.
> > > > > > >
> > > > > > > Sincerely,
> > > > > > >
> > > > > > >
> > > > > > > Bill
> > > > > > >
> > > > > >
> > > > >
> > > >
> > >
> >
>
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