s-news
[Top] [All Lists]

rounding

To: <s-news@lists.biostat.wustl.edu>
Subject: rounding
From: "Zheng_Jenny" <Zheng_Jenny@Allergan.com>
Date: Wed, 8 Apr 2009 13:04:34 -0700
Cc: "Zheng_Jenny" <Zheng_Jenny@Allergan.com>
Thread-index: Acm4hTceQaYZzuc9TbKN8swelD3fcw==
Thread-topic: rounding

Hi, everyone,

 

I use function signif to report number since it requires 3 significant numbers in my report.  I have two questions: A) according to Splus help manual, when rounding off a 5, the two common conventions are to: 1) go to the higher number, or 2) go to the even digit. The round function obeys convention 2, so round(2.5) is 2 and round(3.5) is 4. The rounding mechanism for signif is machine dependent, but most machines will use the "round to even" rule.  I am wondering if I can select convention 1 rather than depending on machine.  B) when last digit is zero, e.g. 3.50, the output will be 3.5, which is not appropriate for my report.  I am wondering if there is a command I can use so that 3.50 will be reported as 3.50 rather than 3.5.

 

Thanks for your help.

 

Jenny

 

 

This e-mail, including any attachments, is meant only for the intended recipient and may be a confidential communication or a communication privileged by law. If you received this e-mail in error, any review, use, dissemination, distribution, or copying of this e-mail is strictly prohibited. Please notify the sender immediately of the error by return e-mail and please delete this message from your system. Thank you in advance for your cooperation.

<Prev in Thread] Current Thread [Next in Thread>