Check if an Object is a Table in R Programming – is.table() Function Improve Improve Like Article Like Save Share Report is.table() function in R Language is used to check if an object is a table. Syntax: is.table(x) Parameters: x: Object to be checked Example 1: # R Program to check # if an object is a table # Creating a vector vec = c(2, 4, 3, 1, 2, 3, 2, 1, 4, 2) # calling is.table() Function is.table(vec) # Converting to table x <- as.table(vec) x # Calling is.table() again is.table(x) Output: [1] FALSE A B C D E F G H I J 2 4 3 1 2 3 2 1 4 2 [1] TRUE Example 2: # R Program to convert # an object to a table # Creating a matrix mat = matrix(c(1:9), 3, 3) # Calling is.table() function is.table(mat) # Converting to table x <- as.table(mat) x # Calling is.table() function again is.table(x) Output: [1] FALSE A B C A 1 4 7 B 2 5 8 C 3 6 9 [1] TRUE Last Updated : 19 Jun, 2020 Like Article Save Article Previous Display the internal Structure of an Object in R Programming - str() Function Next Check for the Existence of a Vector Object in R Programming - is.vector() Function Share your thoughts in the comments Add Your Comment Please Login to comment...