Getting attributes of Objects in R Language – attributes() and attr() Function

attribute() function in R Language is used to get all the attributes of data. This function is also used to set new attributes to data.
 

Syntax: attributes(x)
Parameters: 
x: object whose attributes to be accessed. 
 

Example 1: Implementing attributes() function 
 

Output: 
 

$`names`
[1] Ram
[2] Sham
$class
[1] data.farme
$roll no.
[1]
[2]

Here in the above code, we have applied the attributes() function so we have shown all the data which is present in the info data frame. 
So by applying info all the attributes in the datasets will be shown.
Example 2: Assigning new value to the attributes in R language
 

Output: 
 

[1] jhon
[2] lee
$class
[1] data.frame
$roll no.
[1] 71
[2] 72

Here in the above code, we have added the new attributes to the list info from Example 1, and then printed all the attributes including the new one.
 

attr() Function

attr() will return specific data, but this functions needs a precised information about the data.
 

Syntax: 
attr(x = data, which = “attribute_name”)
Parameters: 
x: object whose attributes to be accessed. 
which: string specifying the attribute to be accessed.

Example: Implementing attr() function 
 

Output: 
 

[1] Ram
[2] Sham

Here in the above code, we have specified a particular parameter name, so only the values in names will be returned. 
attr() will return specific data, but attr() functions need a precise information about the data.