Select Column Names By Index Using dplyr

Method 3: Select Index Column By Excluding Columns Indexes

The select() function from the dplyr package is used for selecting column by index.

Syntax:

dataframe %>%
 select(column_numbers)

where

%>% operator is to load into dataframe

Syntax to import and install the dplyr package:

install.packages("dplyr")
library("dplyr")

Example:

R

# loads the package
library("dplyr")
 
# create a dataframe with 3 rows and 4 columns
data = data.frame(name=c("akash", "kyathi", "preethi"),
                  subjects=c("java", "R", "dbms"), 
                  marks=c(90, 98, 78))
 
# select 1  and 3 columns
data % >%
select(1, 3)

Output:

     name marks
1   akash    90
2  kyathi    98
3 preethi    78

How to Select DataFrame Columns by Index in R?

In this article, we will discuss how to select columns by index from a dataframe in R programming language.

Note: The indexing of the columns in the R programming language always starts from 1.

Tags:

#R DataFrame-Programs #R-DataFrame #R Language #R Programs

Method 3: Select Index Column By Excluding Columns Indexes

Select Column Names By Index Using dplyr

R

How to Select DataFrame Columns by Index in R?

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