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93 questions

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1.

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20 sec • 1 pt

output and error messages are displayed.


2.

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20 sec • 1 pt

output and error messages are displayed.


3.

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20 sec • 1 pt

where you will see the different objects you create or the different datasets you import.

4.

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20 sec • 1 pt

contains everything else including help, plots, packages, etc.

5.

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20 sec • 1 pt

you can type and save your commands and make notes to yourself about projects.

6.

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20 sec • 1 pt

Extracting means selecting columns. An imported Excel data file in R is classified as a dataframe, how we can extract a single column from a dataframe. Give the syntax:

7.

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20 sec • 1 pt

Number values like 3.6 are called? These values are recognized in R as is.

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