[R] Log random number

Ravi Varadhan rvaradhan at jhmi.edu
Wed Nov 14 23:11:30 CET 2007


If you want to generate log-normally distributed random numbers, see:

?rlnorm

Note: X is said to be log-normally distributed when log(X) is normally
distributed.

Ravi.

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Ravi Varadhan, Ph.D.

Assistant Professor, The Center on Aging and Health

Division of Geriatric Medicine and Gerontology 

Johns Hopkins University

Ph: (410) 502-2619

Fax: (410) 614-9625

Email: rvaradhan at jhmi.edu

Webpage:  http://www.jhsph.edu/agingandhealth/People/Faculty/Varadhan.html

 

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-----Original Message-----
From: r-help-bounces at r-project.org [mailto:r-help-bounces at r-project.org] On
Behalf Of Wensui Liu
Sent: Wednesday, November 14, 2007 4:51 PM
To: Tobias Schlottmann
Cc: R-help at stat.math.ethz.ch
Subject: Re: [R] Log random number

dont think so, unless i miss something here.
please do check the range of normal random number and the domain of
log function.

On 11/14/07, Tobias Schlottmann <tobischlot2002 at yahoo.com> wrote:
>
>
>    Dear R users,
>
>   Simply my question is that how it is possible to generate some random
numbers using rnorm( ) but in log transformed values.
>
>   Thank you,
>
>   Tobias
>
>
> ---------------------------------
>
>         [[alternative HTML version deleted]]
>
> ______________________________________________
> R-help at r-project.org mailing list
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> and provide commented, minimal, self-contained, reproducible code.
>


-- 
===============================
WenSui Liu
Statistical Project Manager
ChoicePoint Precision Marketing
(http://spaces.msn.com/statcompute/blog)

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