Section 17 Vector: Character

Use concatenate function c() to concatenate characters to create a character vector.

Functions letters and LETTERS can be used to create a vector of lower or upper case letters.

17.1 Example: Character vector

x <- c("a", "b", "c")
x
class(x)


fruit1 <- c('orange', 'apple', 'grape')
fruit1
class(fruit1)


fruit2 <- c('orange', 'Orange', 'apple', 'grape')
fruit2


fruit3 <- c('orange', 'Orange', 'apple', 'grape', 'apple')
fruit3


y <- letters[1:5]
y


z <- LETTERS[1:10]
z


x <- vector('character', length = 10)
x