Choose Specific Columns of a Data Frame in R Programming - select() Function

select() function in R Language is used to choose whether a column of the data frame is selected or not.

Syntax: select(x, expr) Parameters: x: Data frame expr: condition for selection

Example 1: Output:

 ht
1 46
2 NA
3 NA
4 69
 name age school
1 Abhi 7 yes
2 Bhavesh 5 yes
3 Chaman 9 no
4 Dimri 16 no

Example 2: Output:

 name age
1 Abhi 7
2 Bhavesh 5
3 Chaman 9
4 Dimri 16
 name age
1 Abhi 7
2 Bhavesh 5
3 Chaman 9
4 Dimri 16
 name
1 Abhi
2 Bhavesh
3 Chaman
4 Dimri