[amibroker] Re: StDev of a custom figure Job for the cracks

["rhoemke" <robert@xxxxxxxxx>]

Hi Graham,

Definitely NO :(

Regards
Robert

--- In amibroker@xxxxxxxxxxxxxxx, Graham <kavemanperth@xxx> wrote:
>
> Can't you just use Stdev(Odn,20)
> 
> --
> Cheers
> Graham
> AB-Write >< Professional AFL Writing Service
> Yes, I write AFL code to your requirements
> http://e-wire.net.au/~eb_kavan/ab_write.htm
> 
> 
> 
> On 2/24/06, rhoemke <robert@xxx> wrote:
> > Hello,
> > i am working on this problem since quite a while.
> >
> > I got a special array that finds the last 30 figures of daily O-L when
> > a certain condition (Open<= Pivot) was given.
> > I calculate a sort of median (ODn) from these 30 figures for every
day.
> >
> > Now i am trying to get the Standard Deviation of the last 20 ODn's,
> > but i can't get this done.
> > Anybody who can help?
> >
> > Here the code until now.
> >
> >
> > function sort(inlist, period)
> > {
> > //sort inlist
> > temp=0;
> > for(i = period; i>0; i--)
> > {
> > for (j = 1; j <= i; j++)
> > {
> > if (inlist[j-1] > inlist[j])
> > {
> > temp = inlist[j-1];
> > inlist[j-1] = inlist[j];
> > inlist[j] = temp;
> > }
> > }
> > }
> > //inlist now sorted
> > return inlist;
> > }
> >
> >
> >
> >
> > // MPP is a special Pivotpoint i calculate
> >
> > for(i=1; i<=30;i++){
> >        PreODn[i]= LastValue(IIf(dailyOpen <= MPP,
ValueWhen(dailyopen <=
> > MPP, dailyOpen - dailyLow, i) , ValueWhen(dailyopen > MPP,
> > dailyOpen-dailyLow, i)));
> > }
> > ArrayODn = sort(PreODn, 30);
> >
> >
> > // ODn = MA of the 30 ArrayODn but without 5 biggest and 5 smallest
> > ArrayODn
> > ODn = 0;
> > for(i = 6; i <= 25; i++){
> >        ODn = ODn + ArrayODn[i];
> > }
> > ODn = ODn/20;
> >
> > //How do i get the StDev of ODn?
> > // This one doesn't work :(
> >
> > /*for (y=BarCount-100;y<BarCount;y++){
> >  for (i=6; i<=25;i++){
> >        Mean      = Sum(ODn,20)/20;
> >        Dev       = Mean - ArrayODn[25];
> >        DevSq     = Dev * Dev;
> >        MeanDevSq = Sum(DevSq, 20)/20;
> >        StODn = sqrt(MeanDevSq);
> > }
> > //}
> > */
> >
> >
> >
> > Regards
> > Robert
> >
> >
> >
> >
> >
> >
> >
> > Please note that this group is for discussion between users only.
> >
> > To get support from AmiBroker please send an e-mail directly to
> > SUPPORT {at} amibroker.com
> >
> > For other support material please check also:
> > http://www.amibroker.com/support.html
> >
> >
> > Yahoo! Groups Links
> >
> >
> >
> >
> >
> >
> >
>






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