I think all you need is one more digit of accuracy. How can you get 7 digits rather than 6. More important is how would you find that information in some place in all the different places to get help.
Linda -----Original Message----- From: [email protected] [mailto:[email protected]] On Behalf Of Jan-Pieter Jacobs Sent: Thursday, March 12, 2015 2:39 AM To: [email protected] Subject: Re: [Jprogramming] Wrong numbers in normal distribution? There's an essay about that, that also states: The results are accurate in the range from _7 to 7 http://www.jsoftware.com/jwiki/Essays/Normal%20CDF 2015-03-12 6:57 GMT+01:00 'Bo Jacoby' via Programming < [email protected]>: > The probabilities are effectively zero. > > Den 3:42 torsdag den 12. marts 2015 skrev Ryan < > [email protected]>: > > > > 'normalcdf' gives different a result than R and Python for y < -7 > > In J: > > load'stats' > ([,:normalcdf) - i._10 > _9 _8 _7 _6 _5 _4 > _3 _2 _1 0 > _2.22045e_16 1.38778e_15 1.27998e_12 9.86588e_10 2.86652e_7 3.16712e_5 > 0.0013499 0.0227501 0.158655 0.5 > > In R: > > > cat(pnorm(-9:0)) > 1.128588e-19 6.220961e-16 1.279813e-12 9.865876e-10 2.866516e-07 > 3.167124e-05 0.001349898 0.02275013 0.1586553 0.5 > > Does anyone know why? > > thanks, > Ryan > > > The information in this e-mail is intended only for the person to whom > it is addressed. If you believe this e-mail was sent to you in error > and the e-mail contains patient information, please contact the > Partners Compliance HelpLine at http://www.partners.org/complianceline > . If the e-mail was sent to you in error but does not contain patient > information, please contact the sender and properly dispose of the > e-mail. > > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm > > > > > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm > ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
