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To: Chris G. who wrote (3019)	1/13/1998 8:26:00 PM
From: TechTrader42	Respond to of 11149

Chris: Slope(fml("Dahl's primary trend"),3)>0 is a Window on Wall Street formula. Three is the number of days used for the slope function. I don't use Metastock, but I think slope is called RegLin or something like that in MSWIN. Then you have to define "Dahl's primary trend" in custom indicators, if Metastock doesn't have some sort of stock Dahl indicator -- for example, "dahl." But someone who uses MSWIN will have to step in here. I'm going to look into getting MSWIN ASAP. The languages of WOW and MSWIN are similar, but they differ on a few things. Brooke

To: Chris G. who wrote (3019)	1/14/1998 1:50:00 AM
From: Craig DeHaan	Read Replies (3) \| Respond to of 11149

Chris- MS equivalent to WOW Slope is LinRegSlope(Data Array, Periods). For both a slope value (angle of plot) to be increasing, depending on the time frame considered in the periods variable, and for Dahl to be above 0 you specify both the "Dahl primary trend" formula >0 and the LinRegSlope value of the Dahl formula to be >0. The 3 period frame is a short term test; default is 14. Using Ref function the slope of any plot can be compared to yesterdays slope value additionally to determine if the value is increasing or decreasing in magnitude. But whenever its greater than 0 (based on the period timeframe specified) you know that the slope (linear regression best fit angle) is positive. Hope I don't detract from the genious of recent discussion on this subject with an explanation at this basic level, but it seemed like it would answer your question.