RE: [Metastockusers] Writing code for "the first time an event happens"

["Hani Mounir" <elmagd2000@xxxxxxxx>]

	-----Original Message----- 
	From: Philip [mailto:pschmi02@xxxxxxxxxxx] 
	Sent: الاربعاء 03/12/2003 06:33 م 
	To: Metastockusers@xxxxxxxxxxxxxxx 
	Cc: 
	Subject: [Metastockusers] Writing code for "the first time an event happens"
	
	

	Greetings All,
	
	My coding ability is still elementary and the following idea has me
	stumped. Could you show me how to write it?
	
	"While condition1 continues to be true today, today represents the first
	time that Event A has occurred since condition1 began to obtain." More
	specifically, I'd like to identify the first time certain events occur
	during a trend.
	
	Example 1: TRENDUP (any definition of trend) obtains today, and today is
	the first time that there have been three consecutively lower closes (Event
	A) *since* TRENDUP has been true.
	
	Example 2: the EMA(55) is falling, and today is the first time that the
	EMA(8) has risen above the EMA(13) (Event A) since the EMA(55) began to fall.
	
	Within a relatively modest framework I'm OK with most of the variations on
	the theme of Event A, but it's the *since* part that I can't put together.
	
	Philip
	
	
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