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<FONT face=Arial color=#0000ff
size=2>Thanks BM,
<FONT face=Arial color=#0000ff
size=2>
<FONT face=Arial color=#0000ff
size=2>Trends are mostly classified on duration and direction, the zig is
based on percentage change. A Long-Term uptrend could have various slopes while
still have the same Trend classification. The difficulty is what kind of values
to use for the Zig()... you could base it on volatility.. once you have decided
on that you could classify the Zig()s into Trend categories on the basis of the
number of bars the Zig() moves in one direction.
<FONT face=Arial color=#0000ff
size=2>
<FONT face=Arial color=#0000ff
size=2>You could experiment with the code below to get a feel of what you are
dealing with. Once you have defined the parameters AB can collect the data for
you... the problem is really defining the various parameters/criteria, after
that coding shouldn't be that hard.
<FONT face=Arial color=#0000ff
size=2>
<FONT face=Arial color=#0000ff
size=2>take care,
<FONT face=Arial color=#0000ff
size=2>herman
<FONT face=Arial color=#0000ff
size=2>
<FONT
size=3>P1=<FONT
color=#0000ff>Param(<FONT
color=#ff00ff>"PeriodZig1",<FONT
color=#ff00ff>1,<FONT
color=#ff00ff>1,<FONT
color=#ff00ff>30,<FONT
color=#ff00ff>1<FONT
color=#000000>); Z1 = Zig<FONT
color=#000000>(<FONT
color=#ff0000>C<FONT
face="Courier New">,P1); P2=<FONT
color=#0000ff>Param(<FONT
color=#ff00ff>"PeriodZig2",<FONT
color=#ff00ff>2,<FONT
color=#ff00ff>1,<FONT
color=#ff00ff>30,<FONT
color=#ff00ff>1<FONT
color=#000000>); Z2= Zig<FONT
color=#000000>(<FONT
color=#ff0000>C<FONT
face="Courier New">,P2); P3=<FONT
color=#0000ff>Param(<FONT
color=#ff00ff>"Periodzig3",<FONT
color=#ff00ff>3,<FONT
color=#ff00ff>1,<FONT
color=#ff00ff>30,<FONT
color=#ff00ff>1<FONT
color=#000000>); Z3= Zig<FONT
color=#000000>(<FONT
color=#ff0000>C<FONT
face="Courier New">,P3); <FONT
color=#0000ff>Plot(<FONT
color=#ff0000>C,<FONT
color=#ff00ff>"Close",<FONT
color=#ff00ff>1,<FONT
color=#ff00ff>1|<FONT
color=#ff00ff>4<FONT
color=#000000>); Plot<FONT
color=#000000>(Z1,"ZigRed"<FONT
color=#000000>,4<FONT
color=#000000>,1<FONT
size=3>); <FONT
color=#0000ff>Plot(Z2,<FONT
color=#ff00ff>"ZigGreen",<FONT
color=#ff00ff>5,<FONT
color=#ff00ff>1<FONT
color=#000000>); Plot<FONT
color=#000000>(Z3,"ZigYellow"<FONT
color=#000000>,7<FONT
color=#000000>,1<FONT
color=#000000>);
<FONT face=Arial color=#0000ff
size=2>
<FONT face=Arial color=#0000ff
size=2>
<FONT face=Tahoma
size=2>-----Original Message-----From: bm
[mailto:groups@xxxxxxxxxxxx]Sent: January 14, 2004 3:58
PMTo: amibroker@xxxxxxxxxxxxxxxSubject: Re: [amibroker]
Sperandeo's ideaHerman vandenBergen
wrote:> *What definition of "Trend" does he use?*> **
> *herman*According to definitions in his book:*Trends*
-- three kinds; short-term (days->weeks), medium-term
(weeks->months), long-term (months->years). all trends are active at
the same time and can be at opposite directions.*UP Trend* --
longterm; higher mediumterm tops, higher mediumterm lows.*DOWN Trend* --
longterm; lower medium-term tops, lower medium-term lows.*Primary swing*
-- medium-term; at the same direction as *UP trend**Correction* --
medium-term; significant medium-term move opposite to *UP trend*; usually
33-67%.moreover:1) both DJIA and DITA must go through their last
lows/highs in order to say "trend has changed" (dow jones theory)2)
*confirmation day* -- the day when the second index confirms change of
trend; mediumterm move; new trend begins.using these definitions he
made statistical distributions of trend's duration and range.to do
this I thought that zigzag with would be appropriate with different
settings for medium moves and long term
moves.cheers,BMSend BUG REPORTS to
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