R 복소수형(complex)정의하기, 확인하기

R 복소수형(complex) 정의하기, 확인하기

#1. 복소수형 정의하기

a=c(1+3i,2+5i)

#2. 복소수형 확인하기

class(a)

mode(a)

str(a)

typeof(a)

is.numeric(a)

is.complex(a)

> 실행 결과

> class(a)

[1] "complex"

> mode(a)

[1] "complex"

> str(a)

 cplx [1:2] 1+3i 2+5i

> typeof(a)

[1] "complex"

> is.numeric(a)

[1] FALSE

> is.complex(a)

[1] TRUE