x <- 1L # integer
y <- 2 # numeric
# convert from integer to numeric:
a <- as.numeric(x)
# convert from numeric to integer:
b <- as.integer(y)
# print values of x and y
x
y
# print the class name of a and b
class(a)
class(b)
[1] 1 [1] 2 [1] "numeric" [1] "integer"