1. What does the '==' operator do in R?
Answer:
Explanation:
The '==' operator in R is used for testing equality between two values or expressions.
2. Which operator is used for matrix multiplication in R?
Answer:
Explanation:
In R, the '%*%' operator is used for matrix multiplication, performing the dot product of two matrices.
3. How do you assign a value to a variable in R?
Answer:
Explanation:
The '<-' operator is commonly used for assignment in R. The '=' operator can also be used, but '<-' is more traditional in R.
4. What is the purpose of the '!' operator in R?
Answer:
Explanation:
The '!' operator is the logical NOT operator in R, used to negate a logical value.
5. Which operator is used for integer division in R?
Answer:
Explanation:
The '%/%' operator in R performs integer division, which gives the quotient of the division without the remainder.
6. How is the modulo operation performed in R?
Answer:
Explanation:
The '%%' operator in R is used to perform the modulo operation, returning the remainder of a division.
7. What does the '&&' operator do in R?
Answer:
Explanation:
The '&&' operator in R performs a logical AND operation between two logical expressions.
8. What is the use of the '|' operator in R?
Answer:
Explanation:
The '|' operator is used for performing a logical OR operation in R.
9. Which operator is used to raise a number to the power of another number in R?
Answer:
Explanation:
The '^' operator in R is used for exponentiation, raising a number to the power of another number.
10. How do you check for inequality in R?
Answer:
Explanation:
The '!=' operator is used to check for inequality between two values or expressions in R.
11. What is the result of the expression 'TRUE & FALSE' in R?
Answer:
Explanation:
The '&' operator performs a logical AND, so 'TRUE & FALSE' evaluates to FALSE.
12. What is the effect of the '<-' operator inside a function call in R?
Answer:
Explanation:
The '<-' operator inside a function call in R assigns a value to a variable locally within the function's scope.
13. What does the '%%' operator return when used with positive numbers in R?
Answer:
Explanation:
The '%%' operator in R returns the remainder of the division between two numbers.
14. Which operator in R is used for element-wise multiplication in vectors?
Answer:
Explanation:
The '*' operator in R performs element-wise multiplication when used with vectors.
15. What does the '->' operator do in R?
Answer:
Explanation:
The '->' operator in R assigns the value on its left to the variable on its right, opposite to the more common '<-' operator.