How to check the dimension of a DataFrame in R

Overview

The dim() function checks for the dimension, i.e, the number of rows and columns present in a data frame.

Syntax

dim(dataframe)

Parameter value

The dim() function takes a single and mandatory parameter value. This value represents the data frame object whose dimension is to be determined.

Return value

The dim() function returns the dimension of a data frame.

Code example

Code explanation

• Line 2: We create a data frame variable, My_Data_Frame, using the data.frame() function. The data frame contains three columns.
• Line 9: We print the My_Data_Frame data frame.
• Line 12: We check for the dimension of the My_Data_Frame data frame using the dim() function.

The output of the code above, 3 3, tells us that the data frame we created is a 3 by 3 data frame. This means it contains 3 rows and 3 columns, respectively.