Question

How to extract multiple columns of multiple rows from data frame in R

Answer 1

df <- data.frame(a = c(1, 3, 9, 0),
                 b = c(12, 98, 90, 20),
                 c = c(2, 4, 6, 8),
                 row.names = c('o', 'p', 'q', 'r'))

print(df)

row = df[3:4, 2:3]

print(row)



      
      
# run:
#
#   a  b c
# o 1 12 2
# p 3 98 4
# q 9 90 6
# r 0 20 8
#    b c
# q 90 6
# r 20 8
# 

 

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