LISTSERV at the University of Georgia
Menubar Imagemap
Home Browse Manage Request Manuals Register
Previous messageNext messagePrevious in topicNext in topicPrevious by same authorNext by same authorPrevious page (November 2004, week 1)Back to main SAS-L pageJoin or leave SAS-L (or change settings)ReplyPost a new messageSearchProportional fontNon-proportional font
Date:         Mon, 1 Nov 2004 23:41:32 -0500
Reply-To:     Rich.Ulrich@comcast.net
Sender:       "SAS(r) Discussion" <SAS-L@LISTSERV.UGA.EDU>
From:         Richard Ulrich <Rich.Ulrich@COMCAST.NET>
Subject:      Re: Standard error
Content-Type: text/plain; charset=us-ascii

On 1 Nov 2004 17:36:16 -0800, a320@hotmail.com (a320) wrote:

> Hello, > > Consider the regression Y = Bo + B1X + ... + BnXn > > SAS provides the standard error of B1 - SE(B1). If I multiply the B1 > by 0.1, is the SE of 0.1*B1 equal to 0.1*SE(B1)? >

If I say that a regression shows that my grass grows 6 inches per month with a SE of 1.2, what is the meaning of asking about 0.1 times 6?

Do you want to ask about change-of-scale? Yes, 0.5 feet per month will have a SE of 0.1.

-- Rich Ulrich, wpilib@pitt.edu http://www.pitt.edu/~wpilib/index.html


Back to: Top of message | Previous page | Main SAS-L page