[R] insert number in vector

[Juan Ramon Gonzalez]

Hello R-users,


I need to create a vector inserting an 1 after each value of another vector.
For example:

vec1<-c(2,3,4)

I need to create a vector with the values 2,1,3,1,4


Does anyone know how create this vector without loops (vec1 could have 1000
elements)

Thank you,

Juan

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