Question

How to delete multiple columns by names from data frame in R

Answer 1

df = data.frame(a = c(1, 3, 4, 7),
                b = c(12, 98, 87, 20),
                c = c(2, 4, 5, 9),
                d = c(13, 77, 50, 20),
                row.names = c('o', 'p', 's', 't'))
 
print(df)
 
df = subset(df, select = -c(b, d))
 
print(df)
 
 
 
       
       
# run:
#
#   a  b c  d
# o 1 12 2 13
# p 3 98 4 77
# s 4 87 5 50
# t 7 20 9 20
#   a c
# o 1 2
# p 3 4
# s 4 5
# t 7 9
#

 

70+ SQL courses for beginners and professionals