Mathematics, 11.02.2021 21:10 bnnn
Create and manipulate a data frame.
i) Create a `data. frame` named `my. trees` that has the following columns: - `
Girth = c(10.3, 10.6, 10.8, 13.5, 13.7, 13.8, 14.0)` - `
Height = c(70, 65, 63, 72, 81, 83, 66)` - `
Volume = c(10.3, 10.3, 10.2, 16.4, 18.8, 19.7, 15.6)`
ii) Extract the second observational unit.
iii) Extract the `Height` column referring to it by name.
iv) Print out a data frame of all the observations except for the firt observation.
Answers: 3
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Ill mark the brainliest if you me with the these three questions 7,8,9
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Create and manipulate a data frame.
i) Create a `data. frame` named `my. trees` that has the follow...
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