Concept review 5: understanding data types
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Question 1 of 5
1. Question
2. Drag the term to the box next to the correct description.
Sort elements
- Vector
- Matrix
- List
- Data frame
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Collection of elements of the same type
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Multiple rows and columns of the same data type
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Collection of elements of different types
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Multiple rows and columns of different data types
CorrectIncorrect -
Question 2 of 5
2. Question
3. Why is it important to understand different data types?
Select all that applyCorrectIncorrect -
Question 3 of 5
3. Question
4. What is the output of this R code?
"matrix"[,c(1:4)]
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Question 4 of 5
4. Question
5. What R code would give me the information in the 3rd-6th rows of the crime data set?
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Question 5 of 5
5. Question
1. Drag the description into the box next to the appropriate term.
Sort elements
- whole number
- number with decimals
- data type written out in words
- either TRUE or FALSE
- variable that can be assigned value
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Integer
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Double
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String/characters
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Boolean/logicals
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Factor
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