Hello,
Inline.
Em 28-02-2013 12:50, Rasmus Hedegaard escreveu:
Hello, The dataset "cats" contain information about the heart weight ("Hwt"), body weight ("Bwt") and gender ("Sex") of a group of 144 cats. I write
the following piece of code: library(MASS)attach(cats)ratio <- Hwt/Bwtmale <-
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The command "attach(cats)" told R to put the data.frame in the search path
so that the variables in cats would be visible without specifying the name
of the data frame:
detach(cats)
data(cats)
Hi Rasmus,
Things will be much less confusing if you don't use attach. I know
that sounds flippent, but I'm quite serious.
Best,
Ista
On Thu, Feb 28, 2013 at 7:50 AM, Rasmus Hedegaard
wrote:
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> Hello, The dataset "cats" contain information about the heart weight ("Hwt"),
> body weight (
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