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Here
are two functions that should jump-start your efforts;
<SPAN
class=812181719-26052003>
<FONT
color=#008000 size=1>
//walt Schwarz May 2003
// sort & rank functions
// beta 4.38 and up...
/<FONT face="Courier New" color=#008000
size=1>/*****************************/<FONT face="Courier New"
color=#800000 size=1>
function
sort(inlist)
{
//sort
inlist
temp=0<FONT
face="Courier New" size=1>;
for<FONT
face="Courier New" size=1>(i = BarCount-<FONT face="Courier New"
color=#ff00ff size=1>1;
i>=0<FONT
face="Courier New" size=1>; i--)
{
for<FONT
face="Courier New" size=1> (j = <FONT face="Courier New" color=#ff00ff
size=1>1; j <= i; j++)
{
if<FONT
face="Courier New" size=1> (inlist[j-<FONT face="Courier New"
color=#ff00ff size=1>1] >
inlist[j])
{
temp = inlist[j-<FONT face="Courier New" color=#ff00ff
size=1>1];
inlist[j-1<FONT
face="Courier New" size=1>] = inlist[j];
inlist[j] = temp;
}
}
}
//nlist now
sorted
<FONT face="Courier New" color=#800000
size=1>return inlist;
}
/<FONT face="Courier New" color=#008000
size=1>/*****************************************/<FONT
face="Courier New" color=#800000 size=1>
function
rankIt(rankItem,inlist)
{
//see where
rankItem fits…
rank=0<FONT
face="Courier New" size=1>;
for<FONT
face="Courier New" size=1>(i = BarCount-<FONT face="Courier New"
color=#ff00ff size=1>1;
i>=0<FONT
face="Courier New" size=1>; i--)
{
if<FONT
face="Courier New" size=1>(rankItem > inlist[i] )
{
rank=i;
i=-1<FONT
face="Courier New" size=1>;
}
}
<FONT face="Courier New" color=#800000
size=1>return
rank/BarCount*<FONT face="Courier New" color=#ff00ff
size=1>100;
}
//********************************************/<FONT
face="Courier New" size=1>
//sort the Values...
sz=sort(C);
//find where an item is ranked...
item=2<FONT
face="Courier New" size=1>;
rank=rankIt(item,sz);<FONT face="Courier New" color=#0000ff
size=1>
Plot(sz,<FONT
face="Courier New" color=#ff00ff size=1>"sort"<FONT face="Courier New"
size=1>,colorRed);<FONT
face="Courier New" color=#0000ff size=1>
Plot(rank,<FONT
face="Courier New" color=#ff00ff size=1>"rank"<FONT face="Courier New"
size=1><FONT
color=#000000>,colorBlue);
<FONT face=Tahoma
size=2>-----Original Message-----From: rlb21079
[mailto:rlb21079@xxxxxxxxxx]Sent: Monday, May 26, 2003 1:58
PMTo: amibroker@xxxxxxxxxxxxxxxSubject: [amibroker] Re:
Bugged out (1) - RANK()Thanks for the tips. I
have read the Users Guide twice and have searched it for specifics
often. The ROC() is a useful funtion, but right now will not be of
much use. My problem biggest problem has been my inability to
compare one ticker to another, or more specifically one ticker's volume to
the volume of all other tickers in a market. This seems to be the
essential aspect to creating a ranking of stocks, as per volume, change in
price, ROC(), or whatever. There doesn't seem to be a function like
say RANK(), the parameters of which might be: "Ticker for comparison,"
"Group/Market/Watchlist for comparing," "Array to compare"There,
of course, could be many variations on a function such as this and I
haven't thought them through - but it would be useful.It would allow
for the creation of Composite Tickers based on such popular measures as
Most Active per Volume, per percentage change, per percentage increase in
volume, etc.Thankyou for your time,-Rich--- In
amibroker@xxxxxxxxxxxxxxx, Udo.Harke@xxxx wrote:> Rich,>
> maybe you should devise a selection of those particular stocks
based on the AFL library function ROC() by comparing today's progress
( > 0) versus the preceding day's change of price (> 0 too)
expressed as percentage?> > Some information about this
function is also contained in the User's Guide which is a companion
product issued with AmiBroker!> > Best regards,> >
Udo> > -----Ursprüngliche Nachricht-----
> Von: rlb21079 > An:
amibroker@xxxxxxxxxxxxxxx > Gesendet: Sonntag, den 25. Mai
2003 22:58 Uhr> Betreff: [amibroker] Re: Bugged out
(1)> > > I'm very sorry to all reading my
previous posts. Esp. Tomasz. I > wanted to
create a composite ticker holding each day a single value
> comprised of the sum of the direction of change for the
15 most > active stocks of that given day. If the 15
most actively traded > stocks were all positive, then value
would be +15, if all but one > then value would be
+13...etc. I inteded the requirement of the >
rangefrom and rangeto dates to be the same b/c I figured I needed to
> run the explore once for every day I wanted to calculate
the number. > The code wasn't done, this was just
the first couple steps to isolate > the 15 most
actives, but I really can't figure any other way. I'll
> get more practice with something easier and hopefully be
able to do > this later.> All the
best,> Rich> > > >
> Yahoo! Groups Sponsor
>
> >
> Send BUG REPORTS to bugs@xxxx> Send
SUGGESTIONS to suggest@xxxx>
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