VOOZH about

URL: https://www.geeksforgeeks.org/r-language/read-csv-file-and-select-specific-rows-and-columns-in-r/

⇱ Read CSV file and select specific rows and columns in R - GeeksforGeeks


  • Courses
  • Tutorials
  • Interview Prep

Read CSV file and select specific rows and columns in R

Last Updated : 20 May, 2021

In this article, we are going to see how to read CSV file and select specific rows and columns in R Programming Language.

CSV file:

👁 Image

To import a CSV file into the R environment we need to use a pre-defined function called read.csv(). Pass filename.csv as a parameter within quotations. First, we need to set the path to where the CSV file is located using setwd( ) otherwise we can pass the full path of the CSV file into read.csv( ) as a parameter.

Example 1: Selecting specific multiple rows

Output :

👁 Image

Explanation :

  • In the first step, we have imported a CSV file into the R environment using read.csv( ) function.
  • In the next step, we have selected 2,7 rows from CSV file using indexing and storing the result into a variable

Example 2: Selecting specific single rows

Output :

👁 Image

Example 3: Selecting multiple columns

Output : 

👁 Image
Comment
Article Tags:
Article Tags:

Explore