How to combine two lists in R

Question

I have two lists   l1   list 2  3  l2   list 4    I want a third list   list 2  3  4     How can I do it in simple way  Although I can do it in for loop  but I am expecting a one liner answer  or maybe an in-built method   Actually  I have a list  list list 2  3   list 2  4   list 3  5   list 3  7   list 5  6   list 5  7   list 6  7    After computing on list 2  3  and list 2  4   I want list 2  3  4

User · Answer

We can use append  append l1  l2    It also has arguments to insert element at a particular location

User · Answer

I was looking to do the same thing  but to preserve the list as a just an array of strings so I wrote a new code  which from what I ve been reading may not be the most efficient but worked for what i needed to do   combineListsAsOne  lt -function list1  list2     n  lt - c     for x in list1       n lt -c n  x        for y in list2       n lt -c n  y        return n      It just creates a new list and adds items from two supplied lists to create one

User · Answer

c can be used on lists  and not only on vectors      you have l1   list 2  3  l2   list 4     you want list 2  3  4    1    1  2    2    1  3    3    1  4    you can do c l1  l2    1    1  2    2    1  3    3    1  4   If you have a list of lists  you can do it  perhaps  more comfortably with do call  eg   do call c  list l1  l2

[r] How to combine two lists in R

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