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Thank you, the list of important functions is very helpful. I'll go over it
carefully. Meanwhile, I could be mistaken, but I don't think that the ALERT
function is the one I need.
My understanding is that ALERT would tell me that EventA took place during
the lookback period. Example:
ALERT(EventA, 5) --> sometime during/within the last 5 periods EventA did
in fact take place.
This stuff can be tricky. It's never as clear to the other guy as it is to
oneself. So let me try to clarify. I'm trying to write this:
Sometime in the past condition1 began (say, the EMA(55) started to decline).
Condition1 continues to be true on the current bar. EMA(55) is still
declining today.
During the period where condition1 has been true -- in others words from
the first bar where the EMA(55) started to decline -- to the bar
immediately preceeding the present bar, EventA did not take place. Today,
however, while condition1 continues to be true, while the EMA(55) continues
to decline, EventA HAS finally taken place. So this is the first time, the
first bar, since the bar on which the EMA(55) began to decline that EventA
has occurred. Ever since EMA(55) has been declining (from the first bar on)
EventA (say, cross(EMA(8), EMA(13)) has not taken place -- UNTIL TODAY,
that is, until the present bar. And today (cross(EMA(8), EMA(13).
Since everybody loves a bull market, let me use a further example. For
stock XYZ the EMA(55) began to rise in the first week of June, 2003. It's
still rising on December 3, 2003 (that's some run, huh?). But I'm not
interested any more in identifying occurrences of EventA at this stage of
XYZ's stellar performance. I see now, with 20-20 hindsight, that the time
to identify EventA would have been the very first time it occurred after
the EMA(55) had begun to rise. Perhaps that was sometime in early July, or
sometime in August. It doesn't matter. Just so long as it's the first time
EventA occurred since XYZ starting moving up according to whatever trend
definition I'm using, in this case that's a rising EMA(55).
So tonight, based on my experience with XYZ, I'm going to sit down and
explore for stocks/futures where EventA has taken place today for the first
time since my trend definition began to be true -- which could have been
the day after Labor Day, or Halloween or Thanskgiving.
There, have I succeeded in confusing matters beyond repair? :-)
Again, your list of functions brings me a step further. I'd never boiled it
down that way, and there a couple of functions I definitely need to look into.
Thanks,
Philip
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