Question

How to create an empty vector in R

Answer 1

vec <- vector()

print(typeof(vec))

print(vec)

print(length(vec))



    
# run:
#
# [1] "logical"
# logical(0)
# [1] 0
#

 

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Answer 2

vec <- c()
 
print(typeof(vec))
 
print(vec)
 
print(length(vec))

 
     
# run:
#
# [1] "NULL"
# NULL
# [1] 0
# 

 

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