Hi Howard
I meant kratio for example that have typical values of 0.01. If I use it as a fitness function, do I need to multiply by 100?
Or if I optimise a parameter that have 0.01 step?
Br,
Zozu
--- In
amibroker@xxxxxxxxxxxxxxx, Howard B <howardbandy@xxx> wrote:
>
> Hi Zozu --
>
> How small are the numbers and how are you using them?
>
> Multiplying by 100 or 1000 is often useful when working with indicator
> values so that they scale reasonably when plotted.
>
> Multiplying by 100 or 1000 may be useful when combining a variable with a
> small value with a variable with a large value so that the significant
> digits of the smaller value are retained.
>
> Adding a constant and / or multiplying by a constant may be necessary to
> create a number that has a positive integer part if that value will be added
> to a composite and stored in the volume field.
>
> Thanks,
> Howard
>
>
> On Tue, Feb 16, 2010 at 5:23 AM, droskill <droskill@xxx> wrote:
>
> >
> >
> > I haven't read the book - but for me it hasn't been a problem - I routinely
> > use small numbers as you describe them....
> >
> >
> > --- In
amibroker@xxxxxxxxxxxxxxx <amibroker%
40yahoogroups.com>, "zozuzoza"
> > <zozuka@> wrote:
> > >
> > > Hi,
> > > I am reading in Howard's book that 'Amibroker handles the negative values
> > without and problem, but the small numbers loose all the significance beyond
> > the decimal point.' Furthermore Howard recommend to multiply the numbers
> > below 1 by 100 or 1000.
> > >
> > > Is it really the case?
> > >
> >
> >
> >
>