How to get the summary of data from a data frame in R

Overview

A data frame in R represents the data displayed in a table format. Like a table with columns and rows, a data frame can contain different data types inside it.

How to create a data frame

In R, we use the data.frame() function to create a data frame.

Example

Explanation

• Line 2: We use the data.frame() function to create a data frame variable My_Data_frame. This data frame contains three columns.
• Line 9: We print the data frame.

How to summarize data from a data frame

We use the summary() function to summarize the data from a data frame.

Syntax

summary(data frame)

Parameter value

This function takes the data frame object as its single parameter value.

Return value

This function returns a summary (statistical inference) of the data frame.

Example

Explanation

This is similar to the previous example, except we use the summary() function to summarize the data frame My_Data_frame. This can be observed from the output of the code.