Hi, How would you write this in AFL? I mean: Let's say I want a gradient at about 10 degrees... How would you do that? And how to measure the dispersion along this line? Can Rsquared be used?
Thanks, Louis 2008/9/5 sidhartha70 <[EMAIL PROTECTED]> > Well, clearly the gradient of the slope will depend on the time > interval you are looking at for the price move. > > But the basic formula is, > > Change in Y (price) / Change in X (Time) > > It's very simple... If you are asking for what I think you are asking for. > > Look at this, > > > http://www.teacherschoice.com.au/Maths_Library/Gradient/gradient_-_two_fixed_points.htm > > > --- In [email protected] <amibroker%40yahoogroups.com>, "Louis P." > <[EMAIL PROTECTED]> wrote: > > > > Hmm.. I am not sure... But I want the data to be as close to > possible to a > > straight line and the slope to be not too steep but enough... > > > > 2008/9/5 sidhartha70 <[EMAIL PROTECTED]> > > > > > Louis, > > > > > > you mean you want the 'gradient' of the slope...?? Straight lines > > > can't be 'smooth' or otherwise. > > > > > > > > > --- In [email protected] <amibroker%40yahoogroups.com><amibroker% > 40yahoogroups.com>, > > "Louis P." > > > <rockprog80@> wrote: > > > > > > > > Hi, > > > > > > > > @Joe Landry: Thanks for the tips. I'm not sure how the K-ratio can > > > help on > > > > this, but if it can help... > > > > > > > > @Ara: I'm sorry if what I said was not clear. What I want to do > is to > > > > calculate a % pullback from a HHV of a stock but I want the > slope to be > > > > "smooth", that is, I am not happy to see a 5 or 10% pullback but > > > would like > > > > to see a 5 or 10% pullback with a particular slope inclination. > > > That is: > > > > if the stock dropped 10% in a day is not the same as if it quietly > > > lost 0.5% > > > > for 20 days (would not be exactly 10%, but this is an image). You > > > > understand what I mean? I want the slope to be as smooth as > > > possible with a > > > > particular inclation %. Is this possible? > > > > > > > > Thanks, > > > > > > > > Louis > > > > > > > > > > > > > > > > 2008/9/5 Ara Kaloustian <ara1@> > > > > > > > > > Louis, > > > > > > > > > > I am not quite sure what you mean by "a smooth slope". > > > > > > > > > > Do you want to have a plot of prices that are smoothed ... as you > > > would gt > > > > > with a filter?? > > > > > > > > > > OR do you want a computed value of slope at some particular point? > > > ... if > > > > > so at what point ... or do you want a plot of the slope ... etc > > > > > > > > > > If you can be moe specific that would be halpful! > > > > > > > > > > A > > > > > > > > > > ** > > > > > > > > > > > > > > > ----- Original Message ----- > > > > > *From:* Louis P. <rockprog80@> > > > > > *To:* [email protected] > > > > > <amibroker%40yahoogroups.com><amibroker% > 40yahoogroups.com> > > > > > *Sent:* Friday, September 05, 2008 8:41 AM > > > > > *Subject:* Re: [amibroker] How to calculate a slope % with > Rsquared > > > > > without a loop? > > > > > > > > > > Hi, > > > > > > > > > > Linear function is my big problem. I'm so weak using that. What > > > is the > > > > > difference between using this and doing it the other way? > > > > > > > > > > BTW, how would you set the number of bars in the current: > > > > > > > > > > HHVBars(Var,period); // Find number of bars - distance from HHV to > > > current > > > > > bar > > > > > %slope = ((Highest high - currentclose) / Highest high) / number > > > of bars * > > > > > 100; > > > > > > > > > > Thanks, > > > > > > > > > > Louis > > > > > > > > > > > > > > > 2008/9/4 Ara Kaloustian <ara1@> > > > > > > > > > >> You can also use linearray to draw a stright line from HHV to > > > current > > > > >> point. > > > > >> > > > > >> Look up LinearReg function > > > > >> > > > > >> ----- Original Message ----- > > > > >> *From:* Ara Kaloustian <ara1@> > > > > >> *To:* [email protected] > > > > >> <amibroker%40yahoogroups.com><amibroker% > 40yahoogroups.com> > > > > >> *Sent:* Thursday, September 04, 2008 10:37 AM > > > > >> *Subject:* Re: [amibroker] How to calculate a slope % with > Rsquared > > > > >> without a loop? > > > > >> > > > > >> Try this: > > > > >> > > > > >> HHV(Var,period); // find value of highest high > > > > >> HHVBars(Var,period); // Find number of bars - distance from HHV > > > to current > > > > >> bar > > > > >> %slope = ((Highest high - currentclose) / Highest high) / number > > > of bars * > > > > >> 100; > > > > >> > > > > >> You may choose to define slope in a different way, but this is > > > the basic > > > > >> structure > > > > >> > > > > >> A > > > > >> > > > > >> ----- Original Message ----- > > > > >> *From:* Louis P. <rockprog80@> > > > > >> *To:* [email protected] > > > > >> <amibroker%40yahoogroups.com><amibroker% > 40yahoogroups.com> > > > > >> *Sent:* Thursday, September 04, 2008 9:34 AM > > > > >> *Subject:* Re: [amibroker] How to calculate a slope % with > Rsquared > > > > >> without a loop? > > > > >> > > > > >> Hi, > > > > >> > > > > >> Thanks for your response. I should have said I want to calculate > > > a slope > > > > >> from a high point; I'd like to get a smooth slope from a HHV... > > > How would > > > > >> you do that? > > > > >> > > > > >> Thanks a lot! > > > > >> Louis > > > > >> > > > > >> 2008/9/4 Ara Kaloustian <ara1@> > > > > >> > > > > >>> %slope = (variable - Ref(Variable,-x) ) / Ref(Variable,-x) * > 100; > > > > >>> > > > > >>> ----- Original Message ----- > > > > >>> *From:* Louis P. <rockprog80@> > > > > >>> *To:* [email protected] > > > > >>> <amibroker%40yahoogroups.com><amibroker% > 40yahoogroups.com> > > > > >>> *Sent:* Thursday, September 04, 2008 9:20 AM > > > > >>> *Subject:* [amibroker] How to calculate a slope % with Rsquared > > > without > > > > >>> a loop? > > > > >>> > > > > >>> Hi, > > > > >>> > > > > >>> I was wondering how to calculate the % of a slope without > doing any > > > > >>> loop. Anybody has any idea? > > > > >>> > > > > >>> Thanks, > > > > >>> > > > > >>> Louis > > > > >>> > > > > >>> > > > > >> > > > > > > > > > > > > > > > > > > > > > > > > > > > >
