Selecting specific columns by subsetting data by column name
In this method of selecting specific columns by subsetting data, the user needs to do the specification of a character vector containing the names of the columns to extract, the user has to enter the vector of the characters which corresponds to the column name in the square bracket with the data frame
Syntax:
data_frame[,c(column_name_1,column_name_2,...)]
R
# Creating DataFrame gfg < - data.frame (a= c (5, 1, 1, 5, 6, 7, 5, 4, 7, 9), b= c (1, 8, 6, 8, 6, 7, 4, 1, 7, 3), c= c (7, 1, 8, 9, 4, 1, 5, 6, 3, 7), d= c (4, 6, 8, 4, 6, 4, 8, 9, 8, 7), e= c (3, 1, 6, 4, 8, 9, 7, 8, 9, 4)) # Selecting specific columns by subsetting # data by column name gfg[, c ( 'b' , 'd' , 'e' )] |
Output:
b d e
1 1 4 3
2 8 6 1
3 6 8 6
4 8 4 4
5 6 6 8
6 7 4 9
7 4 8 7
8 1 9 8
9 7 8 9
10 3 7 4
How to Select Specific Columns in R dataframe?
In this article, we will discuss how to select specific columns from a data frame in the R Programming Language.