Hi, Sunny, Sorry for my mistake. Thank you for your correction.
Thx, Huaru 2009/11/7 Sunny Srivastava <research.b...@gmail.com> > Hi Huaru, > Are you sure you are looking at 0.95 and NOT 0.975? > > as qt(0.975,9) = 2.262 > > generally tables are given for alpha/2 (alpha=0.05 in your case) > significance. > > > Please check carefully. > > Thx, > S. > > On Sat, Nov 7, 2009 at 4:02 AM, huaru wang <huaru.w...@gmail.com> wrote: > >> Hello, every one, >> >> Using the qt() function in R, I got a different Student t-value with the >> Student t table. >> e.g. the return value of function qt(0.95,9) is 1.833, while in table it >> is >> 2.262. >> >> I do not know why the difference exists. I guess it may be a bug in R. >> -- >> Íõ»¯Èå ²©Ê¿Ñо¿Éú >> ±±¾©Ê¦·¶´óѧ¾°¹ÛÉú̬Óë¿É³ÖÐøÐÔ¿ÆѧÑо¿ÖÐÐÄ >> ±±¾©Êк£µíÇøнֿÚÍâ´ó½Ö19ºÅ±±¾©Ê¦·¶´óѧÉúÃü¿ÆѧѧԺ 100875 >> Huaru Wang >> PhD Candidate, CLESS, College of Life Science, Beijing Normal University >> Tel: 010 - 5880 5812 >> Cell phone:189 0137 6067 >> No.19 Xinjiekouwai Street, Beijing 1000875 >> >> [[alternative HTML version deleted]] >> >> >> ______________________________________________ >> R-help@r-project.org mailing list >> https://stat.ethz.ch/mailman/listinfo/r-help >> PLEASE do read the posting guide >> http://www.R-project.org/posting-guide.html<http://www.r-project.org/posting-guide.html> >> and provide commented, minimal, self-contained, reproducible code. >> >> > -- Íõ»¯Èå ²©Ê¿Ñо¿Éú ±±¾©Ê¦·¶´óѧ¾°¹ÛÉú̬Óë¿É³ÖÐøÐÔ¿ÆѧÑо¿ÖÐÐÄ ±±¾©Êк£µíÇøнֿÚÍâ´ó½Ö19ºÅ±±¾©Ê¦·¶´óѧÉúÃü¿ÆѧѧԺ 100875 Huaru Wang PhD Candidate, CLESS, College of Life Science, Beijing Normal University Tel: 010 - 5880 5812 Cell phone:189 0137 6067 No.19 Xinjiekouwai Street, Beijing 1000875 [[alternative HTML version deleted]]
______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
