Check if an Object is of Complex Data Type in R Programming – is.complex() Function

is.complex() function in R Language is used to check if the object passed to it as argument is of complex data type.

Syntax: is.complex(x)

Parameters:
x: Object to be checked

Example 1:

# R program to check if
# object is of complex type

# Calling is.complex() function
is.complex(1 + 0i)
is.complex(1.5 + 2i)
is.complex(-1.5 + 2i)

Output:

[1] TRUE
[1] TRUE
[1] TRUE

Example 2:

# R program to check if
# object is of complex type

# Creating a vector
x1 <- (rep(1:4) + 1i*(4:1))
x1

# Calling is.complex() function
is.complex(x1)

Output:

[1] 1+4i 2+3i 3+2i 4+1i
[1] TRUE

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