Logical Types
Let's now turn our attention to logical data types.
For instance, if you evaluate 2 > 1, it will return TRUE because 2 is indeed greater than 1. This principle will be highly relevant in later chapters.
Numbers and strings (text) can also be converted to logical types. Any number except 0 will be converted to TRUE (0 converts to FALSE), and the strings 'F', 'false', 'False', and 'FALSE' will convert to the logical FALSE. The same principle applies for logical TRUE.
When converting logical values to numbers, FALSE becomes 0, and TRUE becomes 1.
Task
Swipe to start coding
- Assign the result of the expression
19*54 > 76*13to the variablelogic. - Show the value of the
logicvariable. - Show the data type of the
logicvariable. - Convert the
logicvariable to an integer and show the result.
Avoid using the print() function.
Solution
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# Create variable `logic`
logic <- 19*54 > 76*13
# Output the value of `logic`
logic
# Output the type of `logic`
typeof(logic)
# Convert `logic` into integer and output the value
as.integer(logic)
Everything was clear?
Thanks for your feedback!
Section 2. Chapter 4
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# Create variable `logic`
logic <- ___
# Output the value of `logic`
___
# Output the type of `logic`
___(logic)
# Convert `logic` into integer and output the value
___(logic)
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