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i<pds had me hung up. I really need to get up to speed on this looping
stuff...
Enjoy your Holiday
Regards,
Jayson
> -----Original Message-----
> From: William Peters [mailto:williampeters@xxxxxxxxxxxx]
> Sent: Wednesday, November 26, 2003 3:44 PM
> To: amibroker@xxxxxxxxxxxxxxx
> Subject: RE: [amibroker] sum only positive days
>
> Jayson,
>
> 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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