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[EquisMetaStock Group] Re: Linear Regression Formula



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Roy,

A linear regression line is the same as the end point moving average.

( 14 * Sum( Cum( 1 ) * C,14 ) - Sum( Cum( 1 ),14) * Sum( C,14) ) / 
(14 * Sum( Pwr( Cum( 1 ),2),14 ) - Pwr( Sum( Cum( 1 ),14 ),2 ) ) * Cum
( 1 ) + (Mov(C,14,S) - Mov( Cum( 1 ),14,S) * (14 * Sum( Cum( 1 ) * 
C,14) - Sum( Cum( 1 ),14 ) * Sum( C,14) ) / (14 * Sum( Pwr( Cum( 
1 ),2 ),14) - Pwr( Sum( Cum( 1 ),14 ),2 ) ) )


In the formula above the periods are 14 and the price field is the 
close.

Preston



--- In equismetastock@xxxxxxxxxxxxxxx, "Roy Larsen" <rlarsen@xxxx> 
wrote:
> Hi All,
> 
> Does anyone know the MetaStock formula (not the function syntax) 
for Linear
> Regression. I'd like to rebuild it so that I can use my own 
composite data
> array. Alternatively I'd like to be able to create a data array 
that has a
> custom indicator value replacing one CLOSE. This replacement will 
always
> occur at the same relative position in the array (most recent bar), 
but for
> backtesting purposes must be able to recalculate on every bar.
> 
> Any thoughts would be very much appreciated.
> 
> Roy


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