Variable types (numeric, character, logical, function)

---

• numeric: 1 34 2.7
• character: "hello" "23"
• logical: TRUE FALSE
• function: class print

examples/basics/data_types.R

class(23)       # numeric
class(2.3)      # numeric
class(NaN)      # numeric

class("Hello")  # character
class("23")     # character

class(TRUE)     # logical
class(FALSE)    # logical
class(T)        # logical
class(F)        # logical
class(NA)       # logical

class(class)    # function
class(print)    # function

examples/basics/data_types_isa.R

isa(2, "numeric")  # TRUE
isa("2", "character")  # TRUE
isa(FALSE, "logical")  # TRUE