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Hi Graham,
Thank you very very much.
This formula works, but the variable needs to be adjusted. I'll
search for the "EXAMPLE THE formula" and adjust the variables.
Thanks again.
Robert.
--- In amibroker@xxxxxxxxxxxxxxx, Graham <kavemanperth@xxxx> wrote:
> from the help screen
> "EXAMPLE The formula "roc( CLOSE, 14 )" returns the 14-period
percent
> rate-of-change of the closing prices. "
> so ROC( xyz, 1 ) is the change compared to 1 bar ago
>
> Addcolumn
> "By default all variables are displayed with 2 decimal digits, but
you
> can change this by assigning a different value to this variable:
1.5
> gives 5 decimal digits, "
> so 1.3 is 3 decimal places
>
> On 7/18/05, cstdc5588 <cstdc5588@xxxx> wrote:
> > Hi Graham,
> >
> > THANK YOU SO MUCH! YOU ARE SOOO NICE!
> >
> > Please excuse me if I ask some stupid questions.
> >
> > What does the "1" in "Slope20 = ROC(ma(c,20),1);"
> > represent? And what about the "1.3" in "addcolumn(slo
> > pe20,"slope20,1.3);" represent? Are they always constants or
> > variables that can be changed according to different
conditions? Do
> > they represent slopes or something? I need to know this in
order to
> > put the right value there.
> >
> > Robert.
> >
> >
> > --- In amibroker@xxxxxxxxxxxxxxx, Graham <kavemanperth@xxxx>
wrote:
> > > Cond = Cross( MA (Close, 20), MA(Close, 50) );
> > > Cond1 = Cross( MA (Close, 50), MA(Close, 20) );
> > > Buy = Cond;
> > > Sell = Cond1;
> > >
> > > Well i pointed to using ROC
> > >
> > > Slope20 = ROC(ma(c,20),1);
> > > Slope50 = ROC(ma(c,50),1);
> > >
> > >
> > > to help yourself see what type of results use an exploration to
> > provide numbers
> > >
> > > filter=cond or cond1;
> > > addcolumn(slope20,"slope20,1.3);
> > > addcolumn(slope50,"slope50,1.3);
> > >
> > > checking this against your charts you can work out the slope
value
> > you
> > > want, then add this to your buy/sell conditions, something like
> > this
> > >
> > > eg
> > > buy = cond and roc(ma(c,20),1)>0.5;
> > >
> > >
> > >
> > > On 7/18/05, cstdc5588 <cstdc5588@xxxx> wrote:
> > > > Hi Graham,
> > > >
> > > > Thanks a lot. You're so nice.
> > > >
> > > > Actually, I just need one simple formula, i.e., when 2 moving
> > avgs
> > > > cross, as in this formula:
> > > >
> > > > ///////
> > > > Cond = Cross( MA (Close, 20), MA(Close, 50) );
> > > > Cond1 = Cross( MA (Close, 50), MA(Close, 20) );
> > > > Buy = Cond;
> > > > Sell = Cond1;
> > > > ///////
> > > >
> > > > I hope when a fast MA crosses a slow MA from bottom upward,
the
> > > > slope of the crossover tangent point of the fast MA is more
than
> > > > 0.5. On the other hand, when a fast MA crosses a slow MA
from
> > top
> > > > downward, the slope of the crossover tangent point of the
fast
> > MA is
> > > > less than -0.5. That is, the "buy" signal must satisfy the
> > > > specified condition and with a slope > 0.5. On the other
hand,
> > > > the "sell" signal must satisfy the specified condition and
> > > > with a slope < -0.5.
> > > >
> > > > I understand that this slope must be calculated first, but I
> > > > don't know how to calculate it using AFL.
> > > >
> > > > Could you please help me with this function? Your help
would be
> > > > much appreciated.
> > > >
> > > > Robert.
> > > >
> > > >
> > > > --- In amibroker@xxxxxxxxxxxxxxx, Graham <kavemanperth@xxxx>
> > wrote:
> > > > > Unless you need intensive help, or want someone else to
just
> > write
> > > > > them for you then stick with this group to help solve the
> > little
> > > > > things.
> > > > > Don't know of any paid service, except maybe by AB. Checik
with
> > > > the AB
> > > > > website and see if anything is there.
> > > > > Otherwise us freebie helpers can assist each other with the
> > > > learning curve.
> > > > >
> > > > > On 7/18/05, cstdc5588 <cstdc5588@xxxx> wrote:
> > > > > > Hi Graham,
> > > > > >
> > > > > > Thanks a lot.
> > > > > >
> > > > > > Because I don't know much about AFL, I need some help to
do
> > this.
> > > > > > I remember I've seen a link saying that someone can
provide
> > this
> > > > > > service (of course, there'll be a charge), but I can't
find
> > > > > > it now. Do you know about this service? Where can I
get it?
> > > > Any
> > > > > > suggestions? Or do you know the link?
> > > > > >
> > > > > > Robert.
> > > > > >
> > > > > >
> > > > > > --- In amibroker@xxxxxxxxxxxxxxx, Graham
<kavemanperth@xxxx>
> > > > wrote:
> > > > > > > just use ROC(indicator,1) to get slope, will be
expressed
> > as Y-
> > > > > > value/bar
> > > > > > >
> > > > > > > do a search for other posts of the same type if you
want to
> > > > > > convert to
> > > > > > > some other value slope.
> > > > > > >
> > > > > > > On 7/18/05, cstdc5588 <cstdc5588@xxxx> wrote:
> > > > > > > > Hi Friends,
> > > > > > > >
> > > > > > > > I want to know whether the AFL of AmiBroker could be
> > used to
> > > > > > > > calculate the slope at any specific point on a curve.
> > > > > > > >
> > > > > > > > For instance, if I want to find out the slope of the
> > point
> > > > when
> > > > > > a 10-
> > > > > > > > period moving average crosses a 20-period moving
average,
> > > > could
> > > > > > this
> > > > > > > > slope be calculated by AFL? For the slope I hope
it'll
> > be
> > > > > > > > expressed as 3/2 or -0.5, not as 30 degrees or 45
> > degrees,
> > > > as the
> > > > > > > > latter is too complicated and needs to use
trigonometry
> > to
> > > > > > calculate.
> > > > > > > >
> > > > > > > > Any help would be much appreciated
> > > > > > > >
> > > > > > > > Robert.
> > > > > > > >
> > > > > > > >
> > > > > > > >
> > > > > > > >
> > > > > > > >
> > > > > > > > Please note that this group is for discussion between
> > users
> > > > only.
> > > > > > > >
> > > > > > > > To get support from AmiBroker please send an e-mail
> > directly
> > > > to
> > > > > > > > SUPPORT {at} amibroker.com
> > > > > > > >
> > > > > > > > For other support material please check also:
> > > > > > > > http://www.amibroker.com/support.html
> > > > > > > >
> > > > > > > >
> > > > > > > > Yahoo! Groups Links
> > > > > > > >
> > > > > > > >
> > > > > > > >
> > > > > > > >
> > > > > > > >
> > > > > > > >
> > > > > > > >
> > > > > > >
> > > > > > >
> > > > > > > --
> > > > > > > Cheers
> > > > > > > Graham
> > > > > > > http://e-wire.net.au/~eb_kavan/
> > > > > >
> > > > > >
> > > > > >
> > > > > >
> > > > > >
> > > > > > Please note that this group is for discussion between
users
> > only.
> > > > > >
> > > > > > To get support from AmiBroker please send an e-mail
directly
> > to
> > > > > > SUPPORT {at} amibroker.com
> > > > > >
> > > > > > For other support material please check also:
> > > > > > http://www.amibroker.com/support.html
> > > > > >
> > > > > >
> > > > > > Yahoo! Groups Links
> > > > > >
> > > > > >
> > > > > >
> > > > > >
> > > > > >
> > > > > >
> > > > > >
> > > > >
> > > > >
> > > > > --
> > > > > Cheers
> > > > > Graham
> > > > > http://e-wire.net.au/~eb_kavan/
> > > >
> > > >
> > > >
> > > >
> > > >
> > > > Please note that this group is for discussion between users
only.
> > > >
> > > > To get support from AmiBroker please send an e-mail directly
to
> > > > SUPPORT {at} amibroker.com
> > > >
> > > > For other support material please check also:
> > > > http://www.amibroker.com/support.html
> > > >
> > > >
> > > > Yahoo! Groups Links
> > > >
> > > >
> > > >
> > > >
> > > >
> > > >
> > > >
> > >
> > >
> > > --
> > > Cheers
> > > Graham
> > > http://e-wire.net.au/~eb_kavan/
> >
> >
> >
> >
> >
> > Please note that this group is for discussion between users only.
> >
> > To get support from AmiBroker please send an e-mail directly to
> > SUPPORT {at} amibroker.com
> >
> > For other support material please check also:
> > http://www.amibroker.com/support.html
> >
> >
> > Yahoo! Groups Links
> >
> >
> >
> >
> >
> >
> >
>
>
> --
> Cheers
> Graham
> http://e-wire.net.au/~eb_kavan/
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