R type of object

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To determine the type of an object in R, you can use the typeof() function. This function returns a character string indicating the type of the object.

Here is an example:

x <- 5
typeof(x)

In this example, we create a variable x and assign it the value 5. Then, we use the typeof() function to determine the type of x. The output will be "double", indicating that x is a numeric object of type double.

The typeof() function can be used for various types of R objects, such as numeric, character, logical, complex, and raw. It is important to note that typeof() returns the internal type of an object and may not always provide the most descriptive information about the object.

Another function that can be used to determine the type of an object is class(). The class() function returns the class of an object, which provides more specific information about the object's type.

Here is an example:

y <- "Hello, World!"
class(y)

In this example, we create a variable y and assign it the string "Hello, World!". Then, we use the class() function to determine the class of y. The output will be "character", indicating that y is a character object.

The class() function is particularly useful for objects that have specific classes defined in R, such as data frames, lists, and functions. It can also be used to determine if an object belongs to a specific class or inherits from a particular class.