[R] COnfidence intervals for estimates of linear model

Daniel Brewer daniel.brewer at icr.ac.uk
Wed Dec 23 11:28:19 CET 2009


Hello,

I would like to calculate the 95% confidence intervals for the estimates
of a linear model and I just wanted to check that I am doing it correct.
 Is it just:

Estimate + 1.95996*Std.Error to Estimate - 1.95996*Std.Error

or is there another approach that doesn't assume a normal distrbution?

Thanks.  Apologies for my naiivity

Dan

-- 
**************************************************************
Daniel Brewer, Ph.D.

Institute of Cancer Research
Molecular Carcinogenesis
Email: daniel.brewer at icr.ac.uk
**************************************************************

The Institute of Cancer Research: Royal Cancer Hospital, a charitable Company Limited by Guarantee, Registered in England under Company No. 534147 with its Registered Office at 123 Old Brompton Road, London SW7 3RP.

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