[R] concatenating two vectors

[Özgür Asar]

Dear all,

I want to concatenate the elements of two vectors such as

a<-c("a1","a2")
b<-c("b1","b2")

and obtain

"a1b1", "a1b2","a2b1","a2b2"

I tried the paste and paste0 functions, but they yielded elementwise
concatenation such as

"a1b1","a2b2"

I am wondering that is there an efficient way of doing my wish, for instance
without using for loop etc.

Best

Ozgur 



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