is.character() function in R Language is used to check if the object passed to it as argument is of character type.
Syntax: is.character(x) Parameters: x: Object to be checkedExample 1:
# R program to check if
# object is a character
# Creating a vector
x1 <- 4
x2 <- c("a", "b", "c", "d")
x3 <- c(1, 2, "a", 3, "b")
# Calling is.character() function
is.character(x1)
is.character(x2)
is.character(x3)
[1] FALSE [1] TRUE [1] TRUEExample 2:
# R program to check if
# object is a character
# Creating a matrix
x1 <- matrix(letters[1:9], 3, 3)
# Calling is.character() function
is.character(x1)
[1] TRUE