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This exploration demonstrates summing volume for for last 2 up days. You
should be able to do the rest, let me know if you need anything more.
x = 0;
for( i = 1; i < 3; i++ )
{
x = x + ValueWhen( C > Ref( C, -1 ), Volume, i );
}
Filter = 1;
AddColumn( x, "Sum" );
AddColumn( ValueWhen( C > Ref( C, -1 ), Volume, 1 ), "1st Up Day" );
AddColumn( ValueWhen( C > Ref( C, -1 ), Volume, 2 ), "2nd Up Day" );
Regards,
William Peters
www.amitools.com
> -----Original Message-----
> From: Jayson [mailto:jcasavant@xxxxxxxxxxx]
> Sent: Wednesday November 26, 2003 2:18 PM
> To: 1ami
> Subject: [amibroker] sum only positive days
>
> I cannot seem to get my mind around what should be a fairly simple thing
> to code. Perhaps someone could nudge me in the right direction.
>
> I want to sum the volume of the last 20 up days and compare it to the
> last 20 down days. This is not to be confused with summing the up days
> of the last 20 bars, Simple code such as plot( c>ref(c,-1)"",4,2);
> will plot just the up days and x=iif(c>ref(c,-1),v,0) can calculate the
> volume but how do I sum the last 20 bars where x>0 as opposed to summing
> the last 20 bars of X ?
>
> TIA
>
> Regards,
> Jayson
>
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