I am not certain what question you are asking. Perhaps the following will help:
log(x) give the natural logarithm of x
log10(x) gives the common (base 10) logarithm of x.
John
John David Sorkin M.D., Ph.D.
Professor of Medicine
Chief, Biostatistics and Informatics
University of Maryland School of Medicine Division of Gerontology and Geriatric
Medicine
Baltimore VA Medical Center
10 North Greene Street
GRECC (BT/18/GR)
Baltimore, MD 21201-1524
(Phone) 410-605-7119
(Fax) 410-605-7913 (Please call phone number above prior to faxing)
________________________________
From: R-help <r-help-boun...@r-project.org> on behalf of Aino Rprogram
<ainorprog...@gmail.com>
Sent: Saturday, November 18, 2017 7:21 PM
To: r-help@r-project.org
Subject: [R] Changeing logarithms
Hi!
I'm using a large panel data, and now I have faced some difficulties with
my analysis. The predictors are not normally distributed and there are
quite many outliers (some of them are influential though).
I have tried to change the logarythm, but i'm not sure, how to do that. I
want also draw a plot picture in which logarythms of predictors x and y are
changed. How could I do that?
Thanx before-hand!
Liz
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