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Michael,
AFL operates on entire array at once as described in Tutorial:
Understanding how AFL works.
In order to find out which symbol has the highest volume for the day you in
fact would need
to run scan TWICE, not once as you do.
First scan would create the highest volume of the day, second scan could
display the columns of your choice.
Also your first call to Foreign() retrieves the value from PREVIOUS scan
which is not what you want to do.
Using new looping it is possible to implement this all in one scan:
/* note: if given watch list contains lots of
symbols ** performance may be poor */function
GetWatchListHighestVolumeForTheDay( listnum ){ // retrive
comma-separated list of symbols in watch list list =
GetCategorySymbols( categoryWatchlist, listnum );<FONT
face=Tahoma> HiVolume = 0;
for( i =
0; ( sym = StrExtract( list, i ) ) != ""; i++ ) {
fv = Foreign( sym, "V" ); for( j = 0; j
< BarCount; j++ )
{
if( HiVolume[
j ] < fv[ j ] ) HiVolume[ j ] = fv[ j ];
}
} return HiVolume;}
HiVolume =
GetWatchListHighestVolumeForTheDay( 0 ); // for 1st watch
list
AddColumn(HiVolume, "HighestVolume of all symbols
in watchlist" );
Filter = 1;
Use Apply to: CURRENT
STOCK
<FONT
face=Tahoma>
Best regards,Tomasz Janeczkoamibroker.com
<BLOCKQUOTE
>
----- Original Message -----
<DIV
>From:
Michael.S.G.
To: <A title=amibroker@xxxxxxxxxxxxxxx
href="">amibroker@xxxxxxxxxxxxxxx
Sent: Thursday, June 26, 2003 7:55
AM
Subject: [amibroker] Static
Arrays???
I can't figure
out why I get (apparently) random results when running the following
code.It should be Storing the Highest Volume of the day (regardless of
which ticker produced it).After running a scan, An explore should show
the days highest volume, the assosiated stocks current volume and what the
difference is between the two.KRMichael.// Store Highest
Volume for the day.// Set "n quotations = 1"// Scan
Part:Buy = <FONT
face="Courier New, Courier" color=#ff00ff>0<FONT
face="Courier New, Courier">; <FONT face="Courier New, Courier"
color=#008000>// required by scan mode/* Use ATC as a "Highest Value"
Static array */F =
Foreign<FONT
face="Courier New, Courier">( <FONT face="Courier New, Courier"
color=#ff00ff>"~MyIndex",
"V"<FONT
face="Courier New, Courier">);addTO = <FONT
face="Courier New, Courier" color=#0000ff>IIf<FONT
face="Courier New, Courier"> (V > F,(V - F), <FONT
face="Courier New, Courier" color=#ff00ff>0<FONT
face="Courier New, Courier">); <FONT face="Courier New, Courier"
color=#0000ff>AddToComposite(addTO,
"~MyIndex"<FONT
face="Courier New, Courier">, <FONT face="Courier New, Courier"
color=#ff00ff>"V",<FONT
face="Courier New, Courier" color=#ff00ff>3<FONT
face="Courier New, Courier">
); <FONT
face="Courier New, Courier" color=#008000>// Explore Part:<FONT
face="Courier New, Courier">FH = <FONT face="Courier New, Courier"
color=#0000ff>Foreign( <FONT
face="Courier New, Courier" color=#ff00ff>"~MyIndex"<FONT
face="Courier New, Courier">, <FONT face="Courier New, Courier"
color=#ff00ff>"V");<FONT
face="Courier New, Courier" color=#0000ff>AddColumn<FONT
face="Courier New, Courier">(FH,<FONT face="Courier New, Courier"
color=#ff00ff>"FH-ForeignHighVolume"<FONT
face="Courier New, Courier">,<FONT face="Courier New, Courier"
color=#ff00ff>1);<FONT
face="Courier New, Courier" color=#0000ff>AddColumn<FONT
face="Courier New, Courier">(V,<FONT face="Courier New, Courier"
color=#ff00ff>"Stocks Volume"<FONT
face="Courier New, Courier">,<FONT face="Courier New, Courier"
color=#ff00ff>1.2);<FONT
face="Courier New, Courier" color=#0000ff>AddColumn<FONT
face="Courier New, Courier">(addTO,<FONT face="Courier New, Courier"
color=#ff00ff>"To Add",<FONT
face="Courier New, Courier" color=#ff00ff>1.2<FONT
face="Courier New, Courier">);Filter = <FONT
face="Courier New, Courier" color=#ff00ff>1<FONT
face="Courier New, Courier">;Send
BUG REPORTS to bugs@xxxxxxxxxxxxxSend SUGGESTIONS to
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