Question

How to convert matrix to data frame with row names in R

Answer 1

m = matrix(c(4, 7, 1, 3, 98, 12, 87, 31, 770, 500, 200, 100, 1111, 2222, 3333), ncol = 3)
  
print(m)
  
df = as.data.frame(t(m), row.names= c('nameA', 'nameB', 'nameC'))

print(df)
  
  
  
        
        
# run:
#
#      [,1] [,2] [,3]
# [1,]    4   12  200
# [2,]    7   87  100
# [3,]    1   31 1111
# [4,]    3  770 2222
# [5,]   98  500 3333
#        V1  V2   V3   V4   V5
# nameA   4   7    1    3   98
# nameB  12  87   31  770  500
# nameC 200 100 1111 2222 3333
#

 

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