Re: [Metastockusers] RE:Re: Bar Count since certain date

["Robin Hood" <robinhood@xxxxxxxx>]

Hi Lionel
 
Three points are sufficient as parabola is made by tho points equidistanced 
(? in english ?) form another one.
<A 
href="http://www.xahlee.org/SpecialPlaneCurves_dir/Parabola_dir/parabola.html";>http://www.xahlee.org/SpecialPlaneCurves_dir/Parabola_dir/parabola.html for 
examples (by google).
 
Here is a chart form an Italian site which I don't name because of 
netiquette (I think...). They build a parabola from three points, in effect. 
It's the same effect I'd like to reproduce with Metastock... but the trouble are 
the input dates (x coordinates) :-(
 
 
 
    robin
 
 
<BLOCKQUOTE 
style="PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #000000 2px solid; MARGIN-RIGHT: 0px">
  ----- Original Message ----- 
  <DIV 
  style="BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: black">From: 
  Lionel 
  Issen 
  To: <A 
  title=Metastockusers@xxxxxxxxxxxxxxx 
  href="mailto:Metastockusers@xxxxxxxxxxxxxxx";>Metastockusers@xxxxxxxxxxxxxxx 
  
  Sent: Saturday, January 04, 2003 4:57 
  PM
  Subject: RE: [Metastockusers] RE:Re: Bar 
  Count since certain date
  
  Three points 
  always define a circle. I think that you need at least 4 points to define 
  a parabola. When curve fitting a parabola you need more than 4 points as data 
  points always have some noise, they don't fall on a nice smooth 
  curve.
   
   
  
  
  <FONT 
  face=Tahoma size=2>-----Original Message-----From: Robin Hood 
  [mailto:robinhood@xxxxxxxx] Sent: Saturday, January 04, 2003 8:25 
  AMTo: Metastockusers@xxxxxxxxxxxxxxxSubject: Re: 
  [Metastockusers] RE:Re: Bar Count since certain date
  Hi Group
   
  Thanks to Spyros for his formula.
   
   
  In order to build a parabolic trend-line, I need three points (geometry 
  requires it). It means three x,y (date, price) coordinates.
   
  The problem is that metastock accepts only six inputs (in oder to define 
  dates I need 3+3+3=9 inputs :-( ).
   
  Is there another way to make this?
   
  Now, the formula inputs are as follows, but I'd like to change the 
  numbers with dates since I don't understand very well and immediately their 
  sequence
   
  x1:=Input("point 1 : x1",-100000000,100000000,0);y1:=Input(" 
  y1",-100000000,100000000,0);x2:=Input("point 2 : 
  x2",-100000000,100000000,0);y2:=Input(" 
  y2",-100000000,100000000,0);x3:=Input("Point 3: 
  x3",-100000000,100000000,0);y3:=Input(" y3",-100000000,100000000,0);
   
   
   
  Thanks in advance, Robin
   
   
  <BLOCKQUOTE 
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    ----- Original Message ----- 
    <DIV 
    style="BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: black">From: 
    SR 
    To: <A 
    title=Metastockusers@xxxxxxxxxxxxxxx 
    href="mailto:Metastockusers@xxxxxxxxxxxxxxx";>Metastockusers@xxxxxxxxxxxxxxx 
    
    Sent: Saturday, January 04, 2003 2:24 
    PM
    Subject: [Metastockusers] RE:Re: Bar 
    Count since certain date
    bruneski came up with a variation of my approach which is 
    corrects somefailures of my version.So I suggest trying this 
    one:{BarsSinceDate}d:=Input("Day",1,31,1);m:=Input("Month",1,12,1);y:=Input("Year",1920,2030,2002);mydate:= 
    10000*y + 100*m + d;date:= 10000*Year() + 100*Month() + 
    DayOfMonth();count:=BarsSince(mydate<=date); {use '<' if first day 
    is not to becounted}count:=count + 
    Cum(If(count=0,1,0));countTo unsubscribe from 
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