From: Xuejun Qin <xjq_at_chg.duhs.duke.edu>

Date: Mon, 03 Mar 2008 12:52:43 -0500

R-help_at_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. Received on Mon 03 Mar 2008 - 17:54:58 GMT

Date: Mon, 03 Mar 2008 12:52:43 -0500

Hi, there,

I cannot get accurate value for calculation.
for example:

ld<-sqrt(1*0.05*0.95*0.05*0.95)

0.05*0.95-ld=-6.938894e-18

0.05*0.95-ld==0 is False.

I met this problem in my program, how can I handle it. Thanks.

xj.

R-help_at_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. Received on Mon 03 Mar 2008 - 17:54:58 GMT

Archive maintained by Robert King, hosted by
the discipline of
statistics at the
University of Newcastle,
Australia.

Archive generated by hypermail 2.2.0, at Mon 03 Mar 2008 - 19:30:25 GMT.

*
Mailing list information is available at https://stat.ethz.ch/mailman/listinfo/r-help.
Please read the posting
guide before posting to the list.
*