Variable types are deducted
- class
- isa
- numeric
- character
- logical
x = 23
class(x) # numeric
x = "George"
class(x) # character
x = T
class(x) # logical
isa(2, "numeric") # TRUE
isa("2", "character") # TRUE
isa(FALSE, "logical") # TRUE
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x = 23
class(x) # numeric
x = "George"
class(x) # character
x = T
class(x) # logical
isa(2, "numeric") # TRUE
isa("2", "character") # TRUE
isa(FALSE, "logical") # TRUE