Thank you for all your help! My best, Rui
Cumprimentos, Rui Pedro Caldeira On Thu, Jul 9, 2015 at 11:15 AM, Rob Jasper <r...@famjasper.nl> wrote: > Joel, > > just read the MS-Excel explanation you are referring to. Great explanation. > Thanks for pointing to this. > > Rob. > > On 8 jul. 2015, at 20:42, Joel Madero wrote: > > > Sounds to me like normal floating number behavior. I know someone is > trying > > to document this and explain why it happens (it's a technical reason that > > goes beyond my skills) but this seems entirely normal behavior given the > > constraints of programming languages generally and hardware in > particular. > > > > > > Best, > > Joel > > > > P.S. You can see similar issues in other spreadsheet software. This seems > > to give some indication as to the reasons why: > > https://support.microsoft.com/en-us/kb/78113 (yes I know it's MSO > > link...just explaining the reason why floating number isn't entirely > > accurate all the time) > > > > On Wed, Jul 8, 2015 at 11:33 AM, Rui Pedro Caldeira < > rpcalde...@outlook.com> > > wrote: > > > >> Hey and thanks for your fast answer. This is the data set: > >> > >> 0.000001 0.000001 0.000001 0.000001 0.000001 0.000001 0.000001 > >> 0.000001 0.000001 0.000001 0.000001 0.000001 0.000001 0.000001 > >> 0.000002 0.000003 0.999997 0.999997 0.999997 0.999997 0.999998 > >> 1.000001 1.999997 > >> > >> Using the formula in the spreadsheet it gives the value: 0.328061419 > (VAR) > >> and 0.5727664611 (STDEV) > >> > >> > >> And yes, i do mean CHISQ.INV :) > >> > >> Thanks, Rui. > >> > >> Cumprimentos, > >> Rui Pedro Caldeira > >> > >> On Wed, Jul 8, 2015 at 7:24 PM, Brian Barker <b.m.bar...@btinternet.com > > > >> wrote: > >> > >>> At 18:44 08/07/2015 +0100, Rui Pedro Caldeira wrote: > >>> > >>>> I'm having some problems with the VAR and STDEV function, when > executing > >>>> these lines of code. The average is well calculated but the remaining > >> two > >>>> return very low, unrealistic and equal values (6.93018471335974E-310). > >>>> > >>> > >>> That value is 2^-1027 - which is probably the smallest floating-point > >>> value your system can represent without underflow. > >>> > >>> Have you compared the results produced from your data by equivalent > >> normal > >>> formulae in a spreadsheet cell? > >>> > >>> Do you mean CHISQ.INV and not CHISQINV? > >>> > >>> Brian Barker > >>> > >>> -- > >>> To unsubscribe e-mail to: users+unsubscr...@global.libreoffice.org > >>> Problems? > >>> http://www.libreoffice.org/get-help/mailing-lists/how-to-unsubscribe/ > >>> Posting guidelines + more: > http://wiki.documentfoundation.org/Netiquette > >>> List archive: http://listarchives.libreoffice.org/global/users/ > >>> All messages sent to this list will be publicly archived and cannot be > >>> deleted > >>> > >>> > >> > >> -- > >> To unsubscribe e-mail to: users+unsubscr...@global.libreoffice.org > >> Problems? > >> http://www.libreoffice.org/get-help/mailing-lists/how-to-unsubscribe/ > >> Posting guidelines + more: > http://wiki.documentfoundation.org/Netiquette > >> List archive: http://listarchives.libreoffice.org/global/users/ > >> All messages sent to this list will be publicly archived and cannot be > >> deleted > >> > > > > > > > > -- > > *Joel Madero* > > LibreOffice QA Volunteer > > jmadero....@gmail.com > > > > -- > > To unsubscribe e-mail to: users+unsubscr...@global.libreoffice.org > > Problems? > http://www.libreoffice.org/get-help/mailing-lists/how-to-unsubscribe/ > > Posting guidelines + more: http://wiki.documentfoundation.org/Netiquette > > List archive: http://listarchives.libreoffice.org/global/users/ > > All messages sent to this list will be publicly archived and cannot be > deleted > > -- To unsubscribe e-mail to: users+unsubscr...@global.libreoffice.org Problems? http://www.libreoffice.org/get-help/mailing-lists/how-to-unsubscribe/ Posting guidelines + more: http://wiki.documentfoundation.org/Netiquette List archive: http://listarchives.libreoffice.org/global/users/ All messages sent to this list will be publicly archived and cannot be deleted
