On May 15, 2009, at 6:57 AM, deanj2k wrote:
hi everyone, wondering if you could help me with a novice problem.
I have a
data frame called subjects with a height and weight variable and
want to
calculate a bmi variable from the two. i have tried:
attach(subjects)
bmi <- (weight)/((height
values, you need to do
> as.numeric(as.character(height))
This will get you around the internal coding.
-Original Message-
From: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org]
On Behalf Of deanj2k
Sent: Friday, May 15, 2009 7:58 AM
To: r-help@r-project.org
Subject: [R
hi everyone, wondering if you could help me with a novice problem. I have a
data frame called subjects with a height and weight variable and want to
calculate a bmi variable from the two. i have tried:
attach(subjects)
bmi <- (weight)/((height/100)^2)
but it comes up with the error:
Warning me
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