Opposite of is.vector(). Check if entry is not vector
Value
a boolean value to indicate if entry is vector
Examples
vect1 = list(r=1,t=3:10)
vect2 = LETTERS
is.vector(vect1) # TRUE
#> [1] TRUE
not.vector(vect1) # FALSE
#> [1] FALSE
not.vector(vect2) # FALSE
#> [1] FALSE
if(not.vector(vect1)) message("yes") # NULL