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R语言算术运算和逻辑运算

Arithmetic Operators

 

OperatorDescription
+addition
-subtraction
*multiplication
/division
^ or ** exponentiation
x %% y modulus (x mod y) 5%%2 is 1
x %/% y integer division 5%/%2 is 2

Logical Operators

 

OperatorDescription
<less than
<=less than or equal to
>greater than
>=greater than or equal to
==exactly equal to
!=not equal to
!xNot x
x | y x OR y
x & y x AND y
isTRUE(x)test if X is TRUE