How to find numerical variables in mtcars ?
Title
Question
I have used str(mtcars).
The answer is
str(mtcars)
'data.frame':<span style="white-space:pre"> </span>32 obs. of 11 variables:
$ mpg : num 21 21 22.8 21.4 18.7 18.1 14.3 24.4 22.8 19.2 ...
$ cyl : num 6 6 4 6 8 6 8 4 4 6 ...
$ disp: num 160 160 108 258 360 ...
$ hp : num 110 110 93 110 175 105 245 62 95 123 ...
$ drat: num 3.9 3.9 3.85 3.08 3.15 2.76 3.21 3.69 3.92 3.92 ...
$ wt : num 2.62 2.88 2.32 3.21 3.44 ...
$ qsec: num 16.5 17 18.6 19.4 17 ...
$ vs : num 0 0 1 1 0 1 0 1 1 1 ...
$ am : num 1 1 1 0 0 0 0 0 0 0 ...
$ gear: num 4 4 4 3 3 3 3 4 4 4 ...
$ carb: num 4 4 1 1 2 1 4 2 2 4 ...
Is there any other way of finding numerical variables .
R Introduction-to-ggplot2 11-12 min 0-10 sec
Answers:
The str function is the first command used for compactly displaying an R object's internal structure. Alternatively, you can refer to the commands given on https://statisticsglobe.com/select-only-numeric-columns-from-data-frame-in-r
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