R,HowtoUse cbind and str c,Error unexpected symbol in my tutorial3 my tutorial1,Error in strcmy tuto

demo@ubuntu:~/SelfStudy/R$ R

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[Previously saved workspace restored]

my_tutorial1 – c(“a”,”b”,”c”)
my_tutorial2 – c(“d”,”e”,”f”)
my_tutorial3 my_tutorial1 + my_tutorial2
Error: unexpected symbol in “my_tutorial3 my_tutorial1”
my_tutorial3 – cbind(my_tutorial1 , my_tutorial2)
print(my_tutorial3)
my_tutorial1 my_tutorial2
[1,] “a” “d”
[2,] “b” “e”
[3,] “c” “f”
paste(my_tutorial1 , my_tutorial2)
[1] “a d” “b e” “c f”
strc(my_tutorial3 , collapse=” “)
Error in strc(my_tutorial3, collapse = ” “) :
could not find function “strc”
str_c(my_tutorial3 , collapse=” “)
Error in str_c(my_tutorial3, collapse = ” “) :
could not find function “str_c”
library(stringr)
strc(my_tutorial3 , collapse=” “)
Error in strc(my_tutorial3, collapse = ” “) :
could not find function “strc”
str_c(my_tutorial3 , collapse=” “)
[1] “a b c d e f”

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