Hi GP, thank you for confirming what I suspected...Filtering low values would be an option but in this case I think it would mean basically filtering out the drawdowns, which I would definitely want to see. I guess I will go back to displaying the actual equity... Thanks for the reply!
Steve ----- Original Message ----- From: "gp_sydney" <[EMAIL PROTECTED]> To: <[email protected]> Sent: Thursday, July 05, 2007 6:44 PM Subject: [amibroker] Re: Linear / Logarithmic Equity Line > Steve, > > You can't display zero or negative numbers on a log chart. > > I'd suggest you filter the equity array before displaying, setting > some minimum value for all values that are less than that. You might > need to use trial and error to pick a good minimum value that will > display the rest of your data in a useful fashion. You won't then be > able to see values below that minimum, but the rest of your data > should make more sense. > > GP > > > --- In [email protected], "Steve Dugas" <[EMAIL PROTECTED]> wrote: >> >> Hi All, >> >> I wrote some code that plots an equity line with overlying > regression line. It will plot correctly on linear or semi-log chart. > Then I applied a little change so that the scale on the right starts > at zero and displays % return rather than actual account equity. The > line looks the same, only the scale is different. I like this better, > except that the line looks very strange when I switch to the > logaritmic chart. I *think* this is because the line starts at zero, > and may go negative at times, and logarithms do not seem to work so > well with these values. Just wondering if any math wizards out there > might know of a workaround to correct this kind of problem? Thanks > very much! >> >> Steve >> > > > > > 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 NEW RELEASE ANNOUNCEMENTS and other news always check DEVLOG: > http://www.amibroker.com/devlog/ > > For other support material please check also: > http://www.amibroker.com/support.html > > Yahoo! Groups Links > > > >
